Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
mæsse
→
English
mass
(inherited)
→
English
-mas
(inherited)
→
English
Mass
(derived)
→
English
Michaelmas term
(derived)
→
Old English
mæssedæg
(affix)
→
Middle English
mas
(derived)
→
Middle English
messe
(derived)