Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *-ro-

Catalan flairar (mention)
French flairer (mention)
Galician cheirar (mention)
Latin fragro (mention)
Portuguese cheirar (mention)
Old Armenian -երորդ (inherited)
Old Armenian -իր (mention)
Old Armenian -ուր (mention)