Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
очки́
→
Karelian
očkat
(borrowed)
→
Russian
очечник
(mention)
→
Russian
очкарь
(affix)
→
Russian
очкастый
(affix)