Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
tauto-
←
Ancient Greek
ταὐτό
(mention)
←
Ancient Greek
τὸ
(mention)
←
Ancient Greek
αὐτό
(mention)
←
Ancient Greek
αὐτός
(mention)
→
English
tautology
(suffix)