Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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West Frisian fear
Greek φτερό (cognate)
English feather (cognate)
English ferry (cognate)
English farrow (cognate)
Irish éan (cognate)
Proto-Germanic *feþrō (inherited)
Proto-Germanic *farjǭ (derived)
Proto-Germanic *farhaz (derived)
Proto-West Germanic *feþru (inherited)
Proto-West Germanic *farn (inherited)
Proto-Indo-European *péth₂r̥ (inherited)
Latin penna (cognate)
Dutch veer (cognate)
Old Frisian fethere (inherited)
Old Frisian *farn (inherited)
Old Frisian *farch (inherited)

English feather (cognate)
English fern (cognate)
German Farn (cognate)
Luxembourgish Fieder (cognate)
Luxembourgish Far (cognate)
Dutch veer (cognate)
Dutch veder (cognate)