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

→ English roar (derived)
→ English roe (derived)
→ English rethe (derived)
→ Old English risan (derived)
→ Old English reþe (derived)
→ Catalan riba (derived)
→ French rive (derived)
→ Proto-Germanic gerar (derived(gem-pro/ang))
→ Old High German risan (derived)
→ Icelandic rifa (derived)
→ Italian Rieti (derived)
→ Italian ripa (derived)
→ Italian riva (derived)
→ Latin ravis (derived)
→ Latin Reate (derived)
→ Lithuanian rytas (mention)
→ Latvian riet (derived)
→ Latvian rīks (mention)
→ Latvian raize (derived)
→ Latvian rīts (mention)
→ Norman riviéthe (derived)
→ Occitan riba (derived)
→ Old Saxon risan (derived)
→ Portuguese ribeira (derived)
→ Romanian râpă (derived)