Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
plangent
←
Proto-Indo-European
*pel- (beat)
(root)
←
Latin
plangēns
(derived)
←
Latin
plangō
(mention)
→
English
plangency
(suffix)
→
English
plangently
(suffix)