Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
гъдя
←
Old Church Slavonic
гѫдити
(cognate)
←
Upper Sorbian
hudźić
(cognate)
←
Russian
гуди́ть
(cognate)
←
Serbo-Croatian
гудити
(cognate)
←
Proto-Slavic
*gǫditi
(inherited)
←
Proto-Slavic
*gǫsti
(derived)
←
Ukrainian
гуді́ти
(cognate)
→
Bulgarian
гудя
(link)
→
Bulgarian
гъдувам
(affix)