Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
lecz
←
Czech
leč
(cognate)
←
English
but
(link)
←
Proto-Slavic
*lěče
(inherited)
→
Czech
leč
(cognate)