Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
kyselý
←
Proto-Slavic
*kỳselъ
(inherited)
→
Czech
kyselina
(affix)
→
Czech
kyslík
(affix)
→
Czech
kyselost
(affix)
→
Czech
sladkokyselý
(affix)
→
Serbo-Croatian
kiseo
(cognate)