Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Komar
←
Czech
Komár
(derived)
←
Polish
Komar
(derived)
←
Slovak
Komár
(derived)
←
Slovene
Komar
(derived)
←
Proto-Slavic
*komarъ
(derived)