Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
-ster
→
English
-ster
(inherited)
→
Middle English
bakestere
(affix)
→
Middle English
webster
(affix)
→
Middle English
spynnester
(affix)
→
Middle English
lopster
(affix)
→
Middle English
brewester
(affix)
→
Middle English
kembestere
(affix)
→
Middle English
syngster
(affix)