Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
pěší
←
Proto-Slavic
*pěšь
(inherited)
→
Czech
pěšec
(affix)
→
Czech
pěšina
(affix)
→
Czech
pěšák
(affix)
→
Lower Sorbian
pěšy
(cognate)
→
Polish
pieszo
(cognate)