Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
fomy
←
Old English
fāmiġ
(inherited)
←
Middle English
fǣmiġ
(mention)
←
Middle English
fome
(affix)
←
Middle English
-y
(affix)
→
English
foamy
(inherited)