Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Guerrero Nahuatl
itson
←
Tetelcingo Nahuatl
itzo
(cognate)
←
Zacatlán-Ahuacatlán-Tepetzintla Nahuatl
itzon
(cognate)