Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
nerdy
←
English
nerd
(suffix)
←
English
y
(suffix)
→
English
nerdiness
(suffix)
→
English
nerdily
(suffix)
→
English
ultranerdy
(prefix)
→
English
supernerdy
(prefix)
→
English
ubernerdy
(prefix)
→
English
semi-nerdy
(prefix)
→
Portuguese
totó
(link)