Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
трьохсотий
←
Belarusian
трохсо́ты
(cognate)
←
Polish
trzechsetny
(cognate)
←
Russian
трёхсо́тый
(cognate)
←
Ukrainian
трьохсо́т
(affix)
←
Ukrainian
-ий
(affix)