Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
aracno-
→
Portuguese
aracnofobia
(affix)
→
Portuguese
aracnodactilia
(affix)
→
Portuguese
aracnofóbico
(affix)