Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
tonyght
←
Old English
tō niht
(inherited)
←
Middle English
to
(prefix)
←
Middle English
nyght
(prefix)
→
English
tonight
(inherited)