Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
σῐωπᾰ́ω
→
Ancient Greek
σιώπησις
(affix)
→
Ancient Greek
σιωπητικός
(affix)