Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Classical Nahuatl
ohtli
→
Central Huasteca Nahuatl
ojtli
(cognate)
→
Tetelcingo Nahuatl
ojtli̱
(cognate)