Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*dъxnǫti
→
Bulgarian
дъхна
(inherited)
→
Old Church Slavonic
дъхнѫти
(inherited)
→
Polish
westchnąć
(derived)
→
Polish
tchnąć
(inherited)
→
Russian
дохнуть
(inherited)