Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
zax
←
Old English
seax
(inherited)
←
English
sax
(doublet)
←
Middle English
sax
(inherited)
←
Proto-Germanic
*sahsą
(inherited)