Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *ǵónu

→ English knee (mention)
→ English Genoa (derived)
→ English octagon (derived)
→ English -gon (derived)
→ English Geneva (mention)
→ English geniculate (root)
→ Avestan 𐬰𐬁𐬥𐬎 (inherited)
→ Old English cneow (derived)
→ Breton glin (inherited)
→ Catalan genoll (inherited)
→ Welsh glin (inherited)
→ Danish knæ (derived)
→ German Knie (derived)
→ Emilian źnòć (derived)
→ Greek γόνατο (inherited)
→ Middle English kne (inherited)
→ Spanish hinojo (inherited)
→ Faroese knæ (derived)
→ French genou (inherited)
→ French genuo (inherited(fr/eo))
→ Irish glúin (inherited)
→ Irish -gán (derived)
→ Scottish Gaelic glùn (derived)
→ Galician xeonllo (inherited)
→ Westrobothnian kné (derived)
→ Old High German kneo (inherited)
→ Gothic 𐌺𐌽𐌹𐌿 (derived)
→ Gothic 𐌺𐌽𐌿𐍃𐍃𐌾𐌰𐌽 (derived)
→ Ancient Greek γόνυ (inherited)
→ Ancient Greek γνύξ (derived)
→ Alemannic German Chnüü (derived)
→ Alemannic German Chnüüw (derived)
→ Manx glioon (inherited)
→ Hittite 𒄀𒉡 (inherited)
→ Icelandic kné (derived)
→ Icelandic hné (derived)
→ Italian ginocchio (inherited)
→ Cornish glin (inherited)
→ Latin genu (inherited)
→ Latin Genua (mention)
→ Latin Genabum (derived)
→ Latin Genava (derived)
→ Ligurian zenóggio (derived)
→ Norwegian Bokmål kne (inherited)
→ Dutch knie (inherited)
→ Norwegian Nynorsk kne (inherited)