Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
nihtsum
←
Old English
niht
(affix)
←
Old English
-sum
(affix)
→
Old English
nihtsumian
(affix)
→
Old English
nihtsumnes
(affix)