Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
запэўніваць
←
Belarusian
пэ́ўны
(mention)
←
Polish
zapewniać
(cognate)
←
Ukrainian
запевня́ти
(cognate)