Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Scottish Gaelic bho
Manx voish (cognate)
Old Irish ó (inherited)

French à (link)
Scottish Gaelic bhuam (mention)
Scottish Gaelic bhuat (mention)
Scottish Gaelic bhuaithe (mention)
Scottish Gaelic bhuaipe (mention)
Scottish Gaelic bhuainn (mention)
Scottish Gaelic bhuapa (mention)
Middle Irish ó (link)