Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
horký
←
Czech
hořký
(doublet)
←
Proto-Slavic
*gorьkъ
(inherited)
→
Czech
hořký
(doublet)
→
Czech
horkovzdušný
(affix)