Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Scottish Gaelic prìomh-
← Irish príomh- (cognate)
← Manx preeu- (mention)
← Latin prīmus (derived)
← Old Irish prím- (inherited)
← Old Irish prím (mention)

→ Irish príomh- (cognate)
→ Manx preeu- (cognate)