Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
festivity
←
Old French
festivité
(mention)
←
Latin
festivitas
(mention)
→
English
fest
(mention)
→
English
infestivity
(prefix)