Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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French -ons
Old French -omes (inherited)
Old French -umes (mention)
Proto-Germanic *-ōmaz (derived)
Proto-Germanic *-amaz (mention)
Proto-West Germanic *-ōmēs (mention)
Proto-West Germanic *-umēs (mention)
Old High German -ōmēs (cognate)
Old High German -umēs (mention)
Gothic -𐌿𐌼 (cognate)
Gothic -𐌰𐌼 (mention)
Latin -āmus (cognate)
Latin -ēmus (mention)
Latin -imus (mention)
Old Norse -um (cognate)
Occitan -èm (cognate)
Occitan -am (mention)
Occitan -im (mention)
Occitan -em (mention)

French -ions (mention)
Old French -omes (mention)