Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
onomastic
←
Ancient Greek
ὀνομαστικός
(borrowed)
→
English
onomastics
(mention)
→
English
onomastician
(suffix)
→
English
onomastically
(suffix)