Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Classical Nahuatl
ayotochin
→
Northern Puebla Nahuatl
tochi
(cognate)
→
Northern Puebla Nahuatl
ayotochi
(cognate)
→
Zacatlán-Ahuacatlán-Tepetzintla Nahuatl
ayotochin
(cognate)