Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
чи́стый
→
Finnish
siisti
(borrowed)
→
Latvian
šķīsts
(cognate)
→
Russian
чистота
(affix)
→
Russian
чисто
(affix)
→
Russian
нечистый
(affix)
→
Russian
начисто
(affix)
→
Russian
чистенький
(affix)
→
Russian
чистотел
(affix)
→
Russian
пречистый
(affix)