Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mecayapan Nahuatl
tacuatzi̱n
→
Highland Puebla Nahuatl
tacua̱tzi̱n
(cognate)
→
Classical Nahuatl
tlacuatzin
(cognate)