Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Scots ane
Old English ān (inherited)
Middle English an (inherited)
Middle English oon (mention)
Proto-Germanic *ainaz (inherited)
Proto-West Germanic *ain (inherited)

English one (mention)
English yin (mention)
English yan (mention)
English allenarly (mention)
Scots wean (compound)
Scots eleiven (mention)
Saterland Frisian aan (cognate)
Yola oan (cognate)