Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
slaga
←
Old English
slēan
(mention)
→
English
slayer
(derived)
→
Old English
agenslaga
(compound)
→
Old English
manslaga
(compound)
→
Old English
morþslaga
(compound)