Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Romanian iapă
Proto-Indo-European *h₁éḱwos (derived)
Latin equa (inherited)
Latin equus (mention)

Aragonese yegua (cognate)
Spanish yegua (cognate)
Romanian iepușoară (suffix)
Romanian Iapa (mention)
Aromanian eapã (cognate)