Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
acuity
←
Middle French
acuité
(derived)
←
Proto-Indo-European
*h₂eḱ-
(root)
←
Latin
acuō
(derived)
→
English
hyperacuity
(prefix)
→
English
visual acuity
(compound)
→
English
stereoacuity
(prefix)