Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
axeitar
←
Galician
axeito
(mention)
←
Galician
a-
(affix)
←
Galician
xeito
(affix)
←
Portuguese
ajeitar
(cognate)
→
Galician
axeito
(back-formation)