Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
deltiology
←
English
-logy
(cognate)
←
Ancient Greek
δελτίον
(mention)
←
Ancient Greek
δέλτος
(mention)
→
English
deltiologist
(suffix)
→
English
deltiological
(suffix)