Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Romanian căca
Proto-Indo-European *kakka- (mention)
Latin cacāre (inherited)
Latin cacō (mention)

English caca (cognate)
Romanian căcat (mention)
Aromanian cac (cognate)
Yiddish קאַקן (cognate)