Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pipil
ketza
←
Proto-Nahuan
*kətsa
(inherited)
←
Classical Nahuatl
quetza
(cognate)
→
Pipil
taketza
(prefix)