Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
perna
←
Spanish
pierna
(cognate)
←
Latin
perna
(inherited)
←
Portuguese
perna
(cognate)
←
Old Portuguese
perna
(inherited)
→
Galician
pernil
(suffix)
→
Galician
espernear
(affix)