Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English trough
Old English troh (inherited)
Old English trog (mention)
German Trog (cognate)
English tree (link)
Middle English trogh (inherited)
West Frisian trôch (cognate)
Proto-Germanic *trugą (inherited)
Proto-Germanic *trugaz (mention)
Proto-Indo-European *dru-kó (derived)
Proto-Indo-European *dóru (mention)
Middle Irish drochta (cognate)
Dutch trog (cognate)
Swedish tråg (cognate)
Old Armenian տարգալ (cognate)

English kennel (link)
English tray (mention)
English trug (mention)
English eavestrough (compound)
English troughlike (suffix)
English trogue (cognate)
English pentrough (compound)
English troughless (suffix)
English water trough (affix)
Cimbrian tròg (cognate)
German Trog (cognate)
Esperanto trogo (borrowed)
Old French tro (mention)
Indonesian palung (semantic loan)
Luxembourgish Trach (cognate)
Dutch trog (cognate)
Sanskrit द्रोण (mention)
Swedish tråg (cognate)
Vilamovian trȫk (cognate)