Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh coed
Proto-Brythonic *koɨd (inherited)
Proto-Celtic *kaitos (inherited)

English heath (cognate)
English Glasscock (mention)
English Betws-y-Coed (mention)
English Coed-talon (derived)
English Coity (mention)
Welsh coeden (affix)
Welsh coedwig (affix)
Welsh gwŷdd (link)
Welsh drysgoed (affix)
Welsh gyrgoed (mention)
Welsh suran y coed (compound)