Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
auscultation
←
Proto-Indo-European
*ḱel- (incline)
(root)
←
Latin
auscultātio
(derived)
→
English
auscultate
(back-formation)