Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
gratitudo
←
Proto-Indo-European
*gʷerH-
(root)
←
Latin
grātus
(suffix)
←
Latin
tūdō
(suffix)
→
Romanian
gratitudine
(mention)