12-letter words containing gen
- ungenerosity — the state of being ungenerous
- ungenerously — in an ungenerous manner
- ungentleness — the condition of being ungentle
- ungentrified — not gentrified; not middle class
- unoxygenated — not enriched with oxygen
- unregenerate — not regenerate; not renewed in heart and mind or reborn in spirit; unrepentant: an unregenerate sinner.
- urban legend — a modern story of obscure origin and with little or no supporting evidence that spreads spontaneously in varying forms and often has elements of humor, moralizing, or horror: Are there alligators living in the New York City sewer system, or is that just an urban legend?
- urinogenital — genitourinary.
- urobilinogen — a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine and which produces urobilin when oxidized
- vigentennial — a 20th anniversary.
- vitellogenic — producing or stimulating the formation of yolk
- volcanogenic — created by a volcano; of volcanic origin.
- wittgenstein — Ludwig (Josef Johann) [loot-vikh yoh-zef yoh-hahn,, lood-] /ˈlut vɪx ˈyoʊ zɛf ˈyoʊ hɑn,, ˈlud-/ (Show IPA), 1889–1951, Austrian philosopher.
- xanthogenate — Xanthate.
- xenoestrogen — (biochemistry) A xenohormone that imitates estrogen.