Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Slovak
šumný
←
Czech
šumný
(cognate)
←
Polish
szumny
(cognate)
←
Proto-Slavic
*šumъ
(inherited)
→
Czech
šumný
(cognate)