Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
ret
←
Russian
рот
(cognate)
←
Proto-Slavic
*rъtъ
(inherited)
→
Czech
ostroretka
(affix)
→
Czech
rtěnka
(mention)