Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
espiga
←
Latin
spīca
(inherited)
←
Old Portuguese
espiga
(inherited)
→
Galician
espigo
(mention)
→
Portuguese
espiga
(cognate)