Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh ton
Proto-Celtic *tondā (inherited)
Welsh dan y don (link)
Welsh meicrodon (link)
Welsh ton Fecsicanaidd (link)
Welsh ton sain (link)
Welsh ton wres (link)
Welsh tonfedd (link)
Welsh tonffurf (link)
Welsh toniad (link)
Welsh toniant (link)
Welsh tonnell (link)
Welsh tonnog (link)
Welsh tonnydd (link)
Welsh tonyddol (link)
Welsh tondir (link)
Proto-Indo-European *tend-#Etymology 2 (inherited)
Proto-Indo-European *temh₁- (mention)
Middle Welsh tonn (inherited)

English Tondu (derived)
Welsh tonnau (affix)