Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
pósoł
←
Czech
posel
(cognate)
←
Upper Sorbian
posoł
(cognate)
←
Polish
poseł
(cognate)
←
Proto-Slavic
*posъlъ
(inherited)