Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
дев'ятсот
←
Belarusian
дзевяцьсо́т
(cognate)
←
Polish
dziewięćset
(cognate)
←
Russian
девятьсо́т
(cognate)
←
Ukrainian
де́в'ять
(affix)
←
Ukrainian
сот
(affix)