Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
tok
←
Proto-Slavic
*tokъ
(inherited)
→
Czech
soutok
(affix)
→
Czech
přítok
(prefix)
→
Czech
veletok
(affix)
→
Czech
klejotok
(affix)
→
Old Czech
krvotok
(compound)