Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mecayapan Nahuatl
tochtzi̱n
←
Classical Nahuatl
tōchtli
(cognate)
←
Pipil
tuchtzin
(cognate)