Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Pompeii
←
English
five
(doublet)
←
Latin
Pompeii
(mention)
→
English
Pompeiian
(suffix)
→
English
Pompeiana
(suffix)