Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
eolh
←
Proto-Germanic
*elhaz
(inherited)
→
English
elk
(mention)
→
Old English
eolhsand
(compound)
→
Middle English
elk
(inherited)