Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
cogumelo
←
Galician
cogomelo
(cognate)
←
Latin
(mention)
←
Latin
cucuma
(mention)
←
Occitan
cocomèla
(cognate)
←
Sardinian
cugumeddu
(cognate)
→
Portuguese
fungo
(link)