Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
retent
←
English
retain
(mention)
←
Latin
retentum
(derived)
←
Latin
retentus
(mention)
←
Latin
retineō
(mention)
→
English
retentate
(suffix)