Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
мыць
←
Proto-Slavic
*myti
(inherited)
→
Belarusian
мыцца
(suffix)
→
Czech
mýt
(cognate)