Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Norwegian Bokmål en
Proto-Germanic *ainaz (inherited)
Proto-Indo-European *óynos (inherited)
Old Norse einn (inherited)

Norwegian Bokmål et (link)
Norwegian Bokmål acetylen (suffix)
Norwegian Bokmål ene (mention)
Norwegian Bokmål enhet (suffix)
Norwegian Bokmål enhver (compound)
Norwegian Bokmål enslig (suffix)
Norwegian Bokmål entydig (suffix)
Norwegian Bokmål endimensjonal (compound)
Norwegian Bokmål ensom (affix)
Norwegian Bokmål enstemmig (affix)
Norwegian Bokmål enegget (affix)