Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
bláto
←
Proto-Slavic
*bolto
(inherited)
→
Czech
blatník
(affix)
→
Czech
blátivý
(affix)
→
Latgalian
bolts
(cognate)
→
Latvian
balts
(cognate)