Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
sistema
←
Ancient Greek
σύστημα
(derived)
←
Latin
systēma
(derived)
→
English
system
(cognate)
→
Portuguese
ecossistema
(affix)
→
Portuguese
sistémico
(affix)
→
Portuguese
fotossistema
(prefix)
→
Portuguese
agrossistema
(affix)
→
Portuguese
antissistema
(affix)
→
Portuguese
criptossistema
(affix)