Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
ablute
←
English
ablution
(back-formation)
←
Proto-Indo-European
*lewh₃-
(root)
→
English
ablutive
(affix)