Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
co
→
Portuguese
cosseno
(prefix)
→
Portuguese
cotangente
(prefix)
→
Portuguese
corréu
(prefix)
→
Portuguese
cofator
(prefix)
→
Portuguese
coligação
(prefix)
→
Portuguese
corresponsabilidade
(prefix)
→
Portuguese
corresponsável
(prefix)