Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
-sti
←
Finnish
-sti
(cognate)
→
Estonian
täiesti
(affix)
→
Estonian
kindlasti
(affix)
→
Estonian
varsti
(affix)
→
Estonian
kiiresti
(affix)
→
Estonian
halvasti
(affix)
→
Estonian
kergesti
(affix)
→
Estonian
uuesti
(affix)
→
Finnish
-sti
(cognate)