Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
тоўсты
←
Belarusian
тлу́сты
(doublet)
←
Russian
то́лстый
(cognate)
←
Proto-Slavic
*tъlstъ
(inherited)