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

→ English -ie (root)
→ English -y (root)
→ English -y (inherited)
→ English chary (mention)
→ English agonic (derived)
→ English -age (root)
→ English -adic (root)
→ English -ic (root)
→ English -ic (mention)
→ English Homeric (derived)
→ English -ical (root)
→ English barnacle (derived)
→ English Marcion (derived)
→ Welsh -og (mention)
→ Welsh -edig (mention)
→ German -ig (derived)
→ Middle English -y (inherited)
→ Middle English -ik (derived)
→ Spanish Marción (derived)
→ Persian ـی (mention)
→ West Frisian -ich (inherited)
→ Scottish Gaelic -ach (mention)
→ Gothic -𐌲𐍃 (inherited)
→ Ancient Greek -κός (inherited)
→ Latin amicus (mention)
→ Latin paucus (mention)
→ Latin paulus (mention)
→ Latin priscus (mention)
→ Latin -cus (inherited)
→ Latin Marcion (derived)
→ Latvian -īgs (derived)
→ Middle Irish -ach (mention)
→ Norwegian Bokmål -ig (derived)
→ Norwegian Bokmål abbedverdighet (derived)
→ Norwegian Bokmål abiotisk (derived)
→ Norwegian Bokmål a-klinikk (derived)
→ Norwegian Bokmål A-klinikk (derived)
→ Dutch -ig (inherited)
→ Old Norse -ugr (derived)
→ Old Norse -igr (derived)
→ Old Saxon -ig (inherited)
→ Old Saxon -ag (inherited)
→ Pennsylvania German -ich (inherited)
→ Russian бокаж (mention)
→ Old Irish -ach (mention)
→ Saterland Frisian -ich (inherited)
→ Swedish -ig (inherited)