Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
reiseñor
←
Latin
luscinia
(derived)
←
Old Occitan
rossinhol
(borrowed)
←
Portuguese
rouxinol
(cognate)