Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
allègre
←
French
allegro
(doublet)
←
Old French
halaigre
(inherited)
←
Old French
alegre
(mention)
←
Old French
haliegre
(mention)
←
Latin
alacer
(inherited)
←
Latin
(mention)
←
Latin
(mention)
←
Old Occitan
alegre
(mention)
→
English
aleger
(mention)
→
French
allegro
(doublet)
→
French
allégresse
(suffix)
→
French
allègrement
(suffix)
→
French
allégrement
(suffix)
→
Italian
allegro
(borrowed)
→
Romanian
alegru
(borrowed)