Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
slǣplēas
→
English
sleepless
(inherited)
→
Old English
slæpleast
(affix)
→
Middle English
slepeles
(inherited)