| Word | Definition |
| bluer7 | comparative form of blue: more blue |
| blume9 | |
| brume9 | (literary) Mist, fog, vapour. |
| jurel12 | The jack, edible fish of the genera Caranx or Trachurus. |
| lemur7 | (colloquial) Any strepsirrhine primate of the infraorder Lemuriformes, superfamily Lemuroidea, native only to Madagascar and some surrounding islands. |
| rubel7 | |
| ruble7 | The monetary unit of Russia, Belarus and Transnistria equal to 100 kopeks (Russian: копе́йка (kopéjka), Belarusian: капе́йка (kapjéjka)). The Russian ruble's symbol is ₽. |
| umbel9 | (botany) A flat-topped or rounded flower-cluster (= inflorescence) in which the individual flower stalks arise from the same point, the youngest flowers being at the centre. |
| umber9 | A brown clay, somewhat darker than ochre, which contains iron and manganese oxides. |
| Word | Definition |
| berm8 | A narrow ledge or shelf, as along the top or bottom of a slope. |
| blue6 | Having blue as its color. |
| blur6 | To make indistinct or hazy, to obscure or dim. |
| burl6 | A tree growth in which the grain has grown in a deformed manner. |
| jube13 | A type of gelatine-based confection; its ingredients and consistency vary between countries. |
| lube6 | (informal) lubricant |
| lure4 | (also figuratively) Something that tempts or attracts, especially one with a promise of reward or pleasure. |
| merl6 | Alternative form of merle (blackbird) |
| mule6 | The generally sterile male or female hybrid offspring of a male donkey and a female horse. |
| mure6 | (obsolete) wall |
| rube6 | (US, Canada, informal) A person of rural heritage; a yokel. |
| rule4 | A regulation, law, guideline. |
| Word | Definition |
| bel5 | A measure of relative power, defined as log10(P 1/P 2), where P1 and P2 are the measured and reference power respectively. |
| bum7 | The buttocks. |
| bur5 | A rough, prickly husk around the seeds or fruit of some plants. |
| elm5 | (countable) A tree of the genus Ulmus of the family Ulmaceae, large deciduous trees with alternate stipulate leaves and small apetalous flowers. |
| emu5 | (obsolete) A cassowary (genus Casuarius). [from early 17th c.] |
| jeu10 | |
| leu3 | The unit of currency of Romania, equal to one hundred bani. |
| lum5 | (Scotland, Northern England) A chimney. |
| mel5 | (psychoacoustics) A unit of pitch on a scale of pitches perceived by listeners to be equally spaced from one another. |
| reb5 | (US, historical) A Confederate soldier. |
| rem5 | (often capitalized) Initialism of rapid eye movement, a sleep state. |
| rub5 | An act of rubbing. |
| rue3 | (archaic or dialectal) Sorrow; repentance; regret. |
| rum5 | (uncountable) A distilled spirit derived from fermented cane sugar and molasses. |
| urb5 | bud |
| Word | Definition |
| be4 | (intransitive, now literary) To exist; to have real existence, to be alive. |
| el2 | The name of the Latin-script letter L. |
| em4 | The name of the Latin-script letter M. |
| er2 | Said when hesitating in speech. |
| me4 | As the direct object of a verb. |
| mu4 | The 12th letter of the Modern Greek alphabet. |
| re2 | About, regarding, with reference to; especially in letters, documents and emails. |
| um4 | Expression of hesitation, uncertainty or space filler in conversation. See uh. |