Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
comichar
←
Spanish
comiscar
(cognate)
←
Galician
comer
(affix)
←
Galician
-ichar
(affix)
←
Portuguese
comiscar
(cognate)
→
Galician
comichón
(suffix)