| Word | Definition |
| adios6 | (in Spanish contexts) goodbye |
| adorn6 | To make more beautiful and attractive; to decorate. |
| airns5 | |
| andro6 | (informal) Androstenedione. |
| aroid6 | (informal) Any plant of the family Araceae, found chiefly in the tropics. |
| arson5 | The crime of deliberately starting a fire with intent to cause damage. |
| danio6 | (chiefly in combination) Any of various fish of the genera Danio and Devario. |
| darns6 | Third-person singular simple present indicative form of darn |
| dinar6 | The official currency of several countries, including Algeria, Bahrain, Iraq, Jordan, Kuwait, Libya, Serbia and Tunisia. |
| dinos6 | plural of dino |
| donas6 | |
| dorsa6 | plural of dorsum |
| drain6 | (chiefly US, Canada) A conduit allowing liquid to flow out of an otherwise contained volume; a plughole (UK) |
| irons5 | plural of iron |
| nadir6 | The point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation. |
| nards6 | plural of nard |
| naris5 | a nostril |
| noirs5 | plural of noir |
| noria5 | A water wheel with attached buckets, used to raise and deposit water. |
| noris5 | plural of nori |
| ornis5 | (formal) A bird. |
| radio6 | (uncountable) The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves. |
| radon6 | The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas. |
| raids6 | plural of raid |
| rains5 | plural of rain |
| rands6 | plural of rand |
| ranid6 | of or pertaining to the true frogs. |
| ranis5 | plural of rani |
| rinds6 | plural of rind |
| roads6 | plural of road |
| roans5 | plural of roan |
| rosin5 | (organic chemistry) A solid form of resin, obtained from liquid resin by vaporizing its volatile components. |
| sarin5 | (chemistry, military) The nerve gas O-isopropyl methylphosphonofluoridate, used as a chemical weapon. |
| sarod6 | (music) A fretless string instrument used mainly in Indian classical music. |
| sonar5 | (nautical) echolocation |
| Word | Definition |
| ados5 | plural of ado |
| aids5 | plural of aid |
| ains4 | |
| airn4 | |
| airs4 | plural of air |
| ands5 | plural of and |
| anis4 | plural of ani |
| arid5 | Very dry. |
| dais5 | A raised platform in a room for a high table, a seat of honour, a throne, or other dignified occupancy; a similar platform supporting a lectern, pulpit, etc., which may be used to speak from. [from c. 1800.] |
| dans5 | plural of dan |
| darn5 | (euphemistic) Damn. |
| dino5 | (informal) dinosaur. |
| dins5 | plural of din |
| dona5 | |
| dons5 | plural of don |
| dors5 | plural of dor |
| inro4 | a small decorative box, hung from the sash of a kimono, for holding small objects |
| ions4 | plural of ion |
| iron4 | (uncountable) A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel. |
| naoi4 | plural of naos |
| naos4 | (architecture) The inner part of a Greek temple. It contained a statue of the appropriate deity surrounded by a colonnaded portico and later gave rise to the Roman cella. |
| nard5 | Nardostachys jatamansi, a flowering plant of the valerian family that grows in the Himalayas, used as a perfume, an incense, a sedative, and an herbal medicine. |
| nodi5 | plural of nodus |
| nods5 | Third-person singular simple present indicative form of nod |
| noir4 | (film, television) Of or pertaining to film noir, or the atmosphere associated with that genre |
| nori4 | A type of seaweed, a red alga, laver (genus Pyropia, including species P. yezoensis and P. tenera). |
| oars4 | plural of oar |
| odas5 | plural of oda |
| orad5 | (anatomy) Located towards the oral opening (the mouth). |
| osar4 | An esker. |
| rads5 | plural of rad |
| raid5 | (military) A quick hostile or predatory incursion or invasion in a battle. |
| rain4 | Condensed water falling from a cloud. |
| rais4 | Alternative form of reis |
| rand5 | (obsolete, now dialect) The border of an area of land, especially marshland. |
| rani4 | The wife of a rajah. |
| rias4 | plural of ria |
| rids5 | Third-person singular simple present indicative form of rid |
| rind5 | tree bark |
| rins4 | Third-person singular simple present indicative form of rin |
| road5 | A way used for travelling between places, originally one wide enough to allow foot passengers and horses to travel, now (US) usually one surfaced with asphalt or concrete and designed to accommodate many vehicles travelling in both directions. In the UK both senses are heard: a country road is the same as a country lane. [from 16th c.] |
| roan4 | Especially of a horse, having a coat of a dark base color with individual white hairs mixed in |
| rods5 | plural of rod |
| sadi5 | Alternative form of tsade |
| said5 | simple past tense and past participle of say |
| sain4 | (transitive, archaic) To make the sign of the cross on or over something or someone. |
| sand5 | (uncountable) Rock that is ground more finely than gravel, but is not as fine as silt (more formally, see grain sizes chart), forming beaches and deserts and also used in construction. |
| sard5 | (mineralogy) A variety of carnelian, of a rich reddish yellow or brownish red color. |
| sari4 | The traditional dress of women in the Indian Subcontinent; an outer garment consisting of a single length of cotton or silk, most often with one end wrapped around the waist to form a skirt, the other draped over the shoulder or head. |
| soar4 | (intransitive) To fly high with little effort, like a bird. |
| soda5 | (uncountable) Sodium bicarbonate (usually baking soda). |
| sora4 | A rail (Porzana carolina) of North, Central, and northern South America. |
| sord5 | (rare) A flock of mallards |
| sori4 | (botany) plural of sorus |
| sorn4 | (Scotland, intransitive, dated) to impose upon another for food and lodging. |
| Word | Definition |
| ado4 | trouble; troublesome business; fuss, commotion |
| ads4 | plural of ad |
| aid4 | (uncountable) Help; assistance; succor, relief. |
| ain3 | |
| air3 | (uncountable, meteorology) The substance constituting earth's atmosphere, particularly: |
| ais3 | plural of ai |
| and4 | As a coordinating conjunction; expressing two elements to be taken together or in addition to each other. |
| ani3 | A bird of the genus Crotophaga in the cuckoo family. |
| ars3 | plural of ar |
| dan4 | (obsolete) A title of honour similar to "master" or "father", used of historical and legendary figures of the past. |
| din4 | A loud noise; a cacophony or loud commotion. |
| dis4 | (informal) Alternative spelling of diss |
| don4 | A university professor, particularly one at Oxford or Cambridge. |
| dor4 | A large European dung beetle, Geotrupes stercorarius, that makes a droning noise while flying |
| dos4 | plural of do |
| ids4 | plural of id |
| ins3 | plural of in |
| ion3 | An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution. |
| nod4 | (transitive, intransitive) To incline the head up and down, as to indicate agreement. |
| nor3 | (literary) And... not (introducing a negative statement, without necessarily following one). |
| nos3 | plural of no |
| oar3 | A type of lever used to propel a boat, having a flat blade at one end and a handle at the other, and pivoted in a rowlock atop the gunwale, whereby a rower seated in the boat and pulling the handle can pass the blade through the water by repeated strokes against the water's resistance, thus moving the boat. |
| oda4 | A room within a harem |
| ods4 | plural of od |
| ons3 | Third-person singular simple present indicative form of on |
| ora3 | plural of os; mouths or openings, especially of the cervix. |
| ors3 | |
| rad4 | (slang) Clipping of radical; excellent |
| rai3 | stone money |
| ran3 | simple past tense of rin |
| ras3 | An Ethiopian king or prince. |
| ria3 | A submergent coastal landform, often known as a drowned river valley |
| rid4 | Released from an obligation, problem, etc. (usually followed by of). |
| rin3 | (transitive, intransitive, dialectal) To run. |
| rod4 | A straight, round stick, shaft, bar, cane, or staff. |
| sad4 | (heading) Emotionally negative. |
| sin3 | (theology) A violation of God's will or religious law. |
| sir3 | A man of a higher rank or position. |
| sod4 | (uncountable) That stratum of the surface of the soil which is filled with the roots of grass, or any portion of that surface; turf; sward. |
| son3 | One's male offspring. |
| sri3 | |
| Word | Definition |
| ad3 | advertisement. |
| ai2 | A type of three-toed sloth, Bradypus tridactylus, endemic to forests of southern Venezuela, the Guianas, and northern Brazil. |
| an2 | Form of a (all article senses). |
| ar2 | The name of the Latin-script letter R. |
| as2 | To such an extent or degree; to the same extent or degree. |
| do3 | (auxiliary) A syntactic marker. |
| id3 | The unconscious impulsive component of the personality in the Freudian psychoanalytic model. |
| in2 | Used to indicate location, inclusion, or position within spatial, temporal or other limits. |
| is2 | Third-person singular simple present indicative form of be |
| na2 | (obsolete) Not. |
| no2 | Not any. |
| od3 | (archaic except in dialects) God |
| oi2 | Said to get someone's attention; hey. |
| on2 | In the state of being active, functioning or operating. |
| or2 | Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either […] or". |
| os2 | (rare, anatomy) Synonym of bone. |
| si2 | (music) A syllable used in solfège to represent the seventh note of a major scale. |
| so2 | Reduced form of 'so that', used to express purpose; in order that. |