Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
качка
←
Bulgarian
ка́чам
(affix)
←
Bulgarian
-ка
(affix)
←
Bulgarian
кача́лка
(link)
←
Bulgarian
качу́н
(link)
←
Bulgarian
качу́нка
(link)
←
Bulgarian
ка́ца
(affix)
←
Bulgarian
-ка
(affix)
←
Bulgarian
кад
(link)
←
Bulgarian
ката́я
(link)
←
Czech
kačka
(cognate)
←
Polish
kaczka
(cognate)
←
Russian
ка́чка
(cognate)
←
Russian
ка́чка
(borrowed)
←
Proto-Slavic
*kačьka
(inherited)
←
Ukrainian
ка́чка
(cognate)