Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
serin
←
French
sirène
(doublet)
←
Ancient Greek
Σειρήν
(derived)
←
Latin
sirena
(derived)
←
Latin
siren
(derived)
←
Old Occitan
cerena
(cognate)
→
English
serin
(borrowed)
→
French
sirène
(doublet)
→
French
serinette
(suffix)
→
French
seriner
(affix)
→
Galician
xirín
(borrowed)