Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tetelcingo Nahuatl
öpa
←
Classical Nahuatl
āpan
(cognate)
←
Mecayapan Nahuatl
a̱pan
(cognate)