| Scrabble Word | Definition |
| acaricide14 | Any substance which kills acarids (mites and ticks). |
| acetamide14 | (organic chemistry) The amide of acetic acid, CH3CONH2. |
| algaecide13 | Alternative spelling of algicide |
| allemande12 | A popular instrumental dance form in Baroque music, and a standard element of a suite, generally the first or second movement. |
| alongside11 | Along the side; by the side; side by side with. |
| ambuscade16 | (dated) An ambush; a trap laid for an enemy. |
| amplitude14 | The measure of something's size, especially in terms of width or breadth; largeness, magnitude. |
| anhydride17 | (chemistry) any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides |
| antitrade10 | the wind that blows from west to east above the trade wind |
| Scrabble Word | Definition |
| accolade13 | An expression of approval; praise. |
| actinide11 | (inorganic chemistry) Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides, to which they have similar chemistry. |
| aldehyde16 | (organic chemistry) Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom. |
| algicide12 | A substance that kills, or inhibits the growth of, algae. |
| alkoxide20 | (organic chemistry) Any organic compound derived from an alcohol by replacement of a hydrogen atom with a metal or other cationic species |
| altitude9 | The absolute height of a location, usually measured from sea level. |
| antecede11 | To go before; to precede. |
| antinode9 | (physics) A region of maximum amplitude situated between adjacent nodes of a vibrating body, such as a string |
| antipode11 | Something directly opposite or diametrically opposed. |
| aptitude11 | Natural ability to acquire knowledge or skill. |
| aquacade20 | An entertainment consisting of swimmers and divers performing to music |
| arillode9 | (botany) A structure resembling an aril that comes from the ovule as opposed to the stalk. |
| arsenide9 | An ion that is an arsenic atom with three extra electrons and charge −3. |
| attitude9 | The position of the body or way of carrying oneself. |
| autocade11 | motorcade |
| Scrabble Word | Definition |
| aggrade10 | (transitive, geology) to raise the level of a river bed by the deposition of sediment |
| alamode10 | A lustrous silk fabric used for headscarves. |
| alcaide10 | The governor or commander of a Spanish or Portuguese fortress or prison. |
| alcalde10 | In Spain or Latin America, a municipal magistrate who has both judicial and administrative functions. |
| alcayde13 | Alternative form of alcaide |
| alidade9 | (cartography, astronomy, surveying) A sighting device used for measuring angles. |
| aliunde8 | (law) From another source; from elsewhere. |
| astride8 | With one’s legs on either side. |
| Scrabble Word | Definition |
| abrade9 | (transitive) To rub or wear off; erode. [First attested in the late 17th century.] |
| accede11 | (archaic, intransitive) To approach; to arrive, to come forward. [15th-19th c.] |
| acnode9 | (geometry) An isolated point not upon a curve, but whose coordinates satisfy the equation of the curve so that it is considered as belonging to the curve. |
| alcade9 | Alternative form of alcaide |
| allude7 | (intransitive) To refer to something indirectly or by suggestion. |
| almude9 | (historical) An old liquid measure. |
| arcade9 | (architecture) A row of arches. |
| aubade9 | A song or poem greeting or evoking the dawn. |
| Scrabble Word | Definition |
| abide8 | (transitive) To endure without yielding; to withstand. [from mid-12th century] |
| abode8 | (obsolete) Act of waiting; delay. [Attested from (1150 to 1350) to the early 17th century.] |
| amide8 | (organic chemistry) Any derivative of an oxoacid in which the hydroxyl group has been replaced with an amino or substituted amino group; especially such derivatives of a carboxylic acid, the carboxamides or acid amides |
| anode6 | (electricity) An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows inwards (and thus, electrons flow outwards). It can have either a negative or a positive voltage. |
| aside6 | To or on one side so as to be out of the way. |
| azide15 | (organic chemistry) the univalent N3 radical or functional group or any ester containing this group |