Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
fleax
←
Proto-Germanic
*flahsą
(inherited)
←
Proto-West Germanic
*flahs
(inherited)
→
English
flax
(derived)
→
Old English
fleaxen
(affix)