Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
withseien
←
Old English
wiþsecgan
(inherited)
←
Old English
secgan
(mention)
←
Middle English
seien
(cognate)
←
Middle English
with-
(affix)
←
Middle English
seien
(affix)
→
English
withsay
(inherited)