Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Classical Nahuatl
icxitl
←
Proto-Uto-Aztecan
*kapsi
(inherited)
→
Mecayapan Nahuatl
icxi
(cognate)