Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
oystercatcher
←
English
oyster
(compound)
←
English
catcher
(compound)
←
Proto-Indo-European
*keh₂p-
(root)
→
English
sea pie
(link)