Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
gancho
←
Proto-Celtic
*ganskyos
(derived)
←
Galician
ganzo
(doublet)
→
Galician
enganchar
(affix)
→
Galician
guincho
(mention)
→
Galician
ganzo
(doublet)
→
Galician
aganchar
(affix)