Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latvian
ūsa
←
Old East Slavic
усъ
(borrowed)
←
Russian
усы́
(cognate)
→
Latvian
ūsains
(suffix)
→
Latvian
ūsainis
(suffix)