Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
cicho
←
Polish
cichy
(suffix)
←
Polish
o
(suffix)
→
Belarusian
ціха
(cognate)
→
Polish
cichutko
(suffix)
→
Polish
cichuśko
(suffix)