Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
untrum
←
Old English
un
(prefix)
←
Old English
trum
(prefix)
→
Old English
untrumian
(suffix)
→
Old English
untrumnes
(suffix)