Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Germanic *feþrō

→ English wing (cognate)
→ English feather (inherited)
→ Old English feþer (inherited)
→ Cimbrian bèdara (inherited)
→ Danish fjer (derived)
→ German Feder (inherited)
→ Greek φτερό (cognate)
→ Middle English feþer (inherited)
→ Faroese fjøður (derived)
→ West Frisian fear (inherited)
→ Old High German fedara (inherited)
→ Indonesian per (derived)
→ Icelandic fjöður (derived)
→ Luxembourgish Fieder (inherited)
→ Norwegian Bokmål fjær (derived)
→ Norwegian Bokmål fjør (derived)
→ German Low German Fedder (inherited)
→ Dutch veer (inherited)
→ Dutch veder (inherited)
→ Norwegian Nynorsk fjør (inherited)
→ Old Norse fjǫðr (inherited)
→ Old Norse fiðri (mention)
→ Pennsylvania German Fedder (inherited)
→ Swedish fjäder (inherited)
→ Yiddish פֿעדער (inherited)