12-letter words containing y, o, u, n, e
- unhydrolysed — not having undergone hydrolysis
- unnewsworthy — (of a story or incident) not important or significant enough to be considered news
- unnoteworthy — worthy of notice or attention; notable; remarkable: a noteworthy addition to our collection of rare books.
- unnoticeably — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unobservedly — without having been observed; in an unobserved manner
- unoxygenated — not enriched with oxygen
- unpoetically — in an unpoetic manner
- unprovokedly — in an unprovoked manner
- unreasonably — not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.
- unseasonably — not seasonable; being out of season; unseasonal: unseasonable weather.
- unsyncopated — marked by syncopation: syncopated rhythm.
- untroubledly — in an untroubled manner
- unvoyageable — not able to be sailed or otherwise journeyed over; untraversable; innavigable
- woburn abbey — a mansion in Woburn in Bedfordshire: originally an abbey; rebuilt in the 17th century for the Dukes of Bedford, altered by Henry Holland in the 18th century; deer park landscaped by Humphrey Repton
- xenocurrency — currency circulating or traded in money markets of countries outside its country of issue.
- year-rounder — a person who is a year-round resident, as at a seasonal resort.
- youghiogheny — a river flowing from NW Maryland through SW Pennsylvania into the Monongahela River. 135 miles (217 km) long.
- youngberries — Plural form of youngberry.
- younger edda — either of two old Icelandic literary works, one a collection of poems on mythical and religious subjects (or) erroneously attributed to Saemund Sigfusson (c1055–1133), the other a collection of ancient Scandinavian myths and legends, rules and theories of versification, poems, etc. (or) compiled and written in part by Snorri Sturluson (1179–1241).
- younger hand — (in piquet and similar card games) the dealer
- youthfulness — characterized by youth; young.
- yukawa meson — a hypothetical elementary particle with finite rest mass, whose exchange between nucleons would account for the strong short-range forces between nucleons: subsequently identified as the pion.