Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
opercle
←
English
operculum
(mention)
←
French
opercule
(cognate)
→
English
preopercle
(prefix)
→
English
interopercle
(prefix)
→
English
opercled
(suffix)