Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Icelandic -un
Proto-Germanic *-ōniz (inherited)
Icelandic -an (mention)
Old Norse -an (inherited)

Icelandic pöntun (affix)
Icelandic minnkun (affix)
Icelandic forritun (affix)
Icelandic margföldun (affix)
Icelandic aðdáun (affix)
Icelandic nauðgun (affix)
Icelandic skoðun (affix)
Icelandic hjúkrun (mention)
Icelandic köllun (affix)
Icelandic neitun (affix)
Icelandic innritun (affix)
Icelandic forheimskun (affix)
Icelandic hækkun (affix)
Icelandic stuðlun (affix)
Icelandic mátun (affix)
Icelandic opinberun (affix)
Icelandic hegðun (affix)
Icelandic lömun (affix)
Icelandic bötnun (affix)
Icelandic löngun (affix)
Icelandic aðdróttun (affix)
Icelandic æxlun (affix)
Icelandic kölkun (affix)
Icelandic predikun (affix)
Icelandic dýrkun (affix)
Icelandic ölvun (affix)
Icelandic hrörnun (affix)
Icelandic flokkun (affix)
Icelandic jöfnun (affix)
Icelandic förðun (affix)
Icelandic lestun (affix)
Icelandic kvittun (affix)
Icelandic sútun (affix)
Icelandic hindrun (affix)
Icelandic röskun (affix)
Icelandic skynjun (affix)
Icelandic synjun (affix)
Icelandic opnun (affix)
Icelandic afbökun (affix)
Icelandic sköddun (affix)