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 *-ingō

→ English -ing (inherited)
→ English nithing (mention)
→ Danish -ing (inherited)
→ Middle English -ing (inherited)
→ French mésange (mention)
→ Galician meixengra (suffix)
→ Norwegian Bokmål ab (inherited)
→ Norwegian Bokmål ending (inherited)
→ Norwegian Bokmål -ing (inherited)
→ Norwegian Bokmål mornings (inherited)
→ Norwegian Bokmål aning (inherited)
→ Norwegian Bokmål absorbering (inherited)
→ Norwegian Bokmål abbreviering (inherited)
→ Norwegian Bokmål abandonering (inherited)
→ Norwegian Bokmål abdisering (inherited)
→ Norwegian Bokmål abonnering (inherited)
→ Norwegian Bokmål abortering (inherited)
→ Norwegian Bokmål absentering (inherited)
→ Norwegian Bokmål absoluttering (inherited)
→ Norwegian Bokmål absolvering (inherited)
→ Norwegian Bokmål absorberingsevne (inherited)
→ Norwegian Bokmål absorberingskoeffisient (inherited)
→ Norwegian Bokmål abstrahering (inherited)
→ Norwegian Bokmål abstinering (inherited)
→ Norwegian Bokmål ajourføring (inherited)
→ Norwegian Bokmål ajournering (inherited)
→ Norwegian Bokmål abdusering (inherited)
→ Norwegian Bokmål abolering (inherited)
→ Norwegian Bokmål avbetaling (derived)
→ Norwegian Bokmål innfatning (inherited)
→ Norwegian Bokmål kløning (inherited)
→ Norwegian Bokmål a-ending (inherited)
→ Norwegian Bokmål loking (inherited)
→ Norwegian Bokmål bæsjing (inherited)
→ Norwegian Bokmål duing (inherited)
→ Low German -en (inherited)
→ Old Norse -ing (inherited)
→ Saterland Frisian -enge (inherited)
→ Swedish -ing (inherited)