Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
sermoun
←
Proto-Indo-European
*ser-
(root)
←
Latin
sermō
(derived)
→
English
sermon
(inherited)
→
English
sarmon
(mention)