Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
ælfen
→
English
elfin
(mention)
→
English
elven
(mention)
→
Old English
feldælfen
(compound)
→
Middle English
elven
(mention)
→
Middle English
elfe
(inherited)