Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
remollar
←
Spanish
remojar
(cognate)
←
Galician
re-
(affix)
←
Galician
mollar
(mention)
←
Old Portuguese
remolhar
(inherited)
→
Galician
remollo
(back-formation)