Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Kovach
←
Hungarian
Kovács
(derived)
←
Polish
Kowacz
(derived)
←
Serbo-Croatian
Kòvač
(derived)
←
Slovak
Kováč
(derived)
←
Slovene
Kovač
(derived)
←
Proto-Slavic
*kovati
(derived)