Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Morelos Nahuatl
tonale
←
Classical Nahuatl
tonalli
(cognate)
←
Tetelcingo Nahuatl
tunali̱
(cognate)
→
Tetelcingo Nahuatl
tunali̱
(cognate)