Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
conventual
←
Latin
conventualis
(mention)
←
Latin
conventus
(mention)
→
English
conventualism
(suffix)
→
English
conventually
(suffix)
→
English
conventualist
(suffix)