Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
сопка
←
Czech
sopka
(cognate)
←
Russian
соп
(affix)
←
Russian
-ка
(affix)
←
Russian
сы́пать
(mention)
←
Russian
сопе́ть
(mention)
←
Slovak
sopka
(cognate)
←
Proto-Slavic
*sъpъ
(derived)