Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
acumen
←
Proto-Indo-European
*h₂eḱ-
(root)
←
Latin
acuō
(suffix)
←
Latin
-men
(suffix)
←
Latin
acus
(mention)