Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh un
Proto-Brythonic *ʉn (inherited)
Proto-Celtic *oinos (inherited)
Proto-Indo-European *óynos (inherited)
Middle Welsh un (inherited)

English cotton (mention)
Welsh uno (suffix)
Welsh union (compound)
Welsh uniawn (compound)
Welsh unfed (suffix)
Welsh unman (compound)
Welsh undeb (suffix)
Welsh fatha (compound)
Welsh unrhyw (compound)
Welsh undeg (compound)
Welsh uncorn (compound)
Welsh unllygeidiog (confix)
Welsh unwaith (compound)
Welsh rhywun (compound)
Welsh un deg dau (compound)
Welsh un deg tri (compound)
Welsh un deg un (compound)
Welsh un deg un (compound)
Welsh un ar ddeg (compound)
Welsh uned (suffix)
Welsh unrhyw un (compound)
Welsh cytûn (prefix)
Welsh un ar bymtheg (compound)
Welsh cyfun (affix)
Welsh unig (suffix)
Welsh un ar hugain (compound)
Welsh un deg pedwar (compound)
Welsh un deg pump (compound)
Welsh un deg dwy (compound)
Welsh un deg tair (compound)
Welsh un deg pedair (compound)
Welsh un deg chwech (compound)
Welsh un deg saith (compound)
Welsh un deg wyth (compound)
Welsh un deg naw (compound)
Welsh un ar ddeg ar hugain (compound)
Welsh dau ddeg un (compound)
Welsh tri deg un (compound)
Welsh unfed ar ddeg ar hugain (compound)
Welsh cant namyn un (compound)
Welsh cant ac un (compound)