Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pipil
papalut
←
Proto-Uto-Aztecan
*paro-
(derived)
←
Classical Nahuatl
pāpalōtl
(cognate)