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 *-ungō

→ English -ing (mention)
→ English nithing (mention)
→ English Nibelung (mention)
→ Old English -ung (inherited)
→ Danish -ing (mention)
→ German -ung (inherited)
→ German Nibelung (mention)
→ Middle English -ing (mention)
→ Ancient Greek ἀλλοδαπός (cognate)
→ Latin propinquus (cognate)
→ Latin longinquus (cognate)
→ Luxembourgish -ung (inherited)
→ Norwegian Bokmål ab (mention)
→ Norwegian Bokmål ending (mention)
→ Norwegian Bokmål -ing (mention)
→ Norwegian Bokmål mornings (mention)
→ Norwegian Bokmål aning (mention)
→ Norwegian Bokmål absorbering (mention)
→ Norwegian Bokmål abbreviering (mention)
→ Norwegian Bokmål abandonering (mention)
→ Norwegian Bokmål abdisering (mention)
→ Norwegian Bokmål abonnering (mention)
→ Norwegian Bokmål abortering (mention)
→ Norwegian Bokmål absentering (mention)
→ Norwegian Bokmål absoluttering (mention)
→ Norwegian Bokmål absolvering (mention)
→ Norwegian Bokmål absorberingsevne (mention)
→ Norwegian Bokmål absorberingskoeffisient (mention)
→ Norwegian Bokmål abstrahering (mention)
→ Norwegian Bokmål abstinering (mention)
→ Norwegian Bokmål ajourføring (mention)
→ Norwegian Bokmål ajournering (mention)
→ Norwegian Bokmål abdusering (mention)
→ Norwegian Bokmål abolering (mention)
→ Norwegian Bokmål avbetaling (mention)
→ Norwegian Bokmål innfatning (mention)
→ Norwegian Bokmål kløning (mention)
→ Norwegian Bokmål a-ending (mention)
→ Norwegian Bokmål loking (mention)
→ Norwegian Bokmål bæsjing (mention)
→ Norwegian Bokmål duing (mention)
→ Low German -en (mention)
→ Dutch -ing (inherited)