Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
петух
←
Belarusian
пе́вень
(cognate)
←
Bulgarian
пете́л
(cognate)
←
Macedonian
петел
(cognate)
←
Polish
piać
(cognate)
←
Russian
петь
(affix)
←
Russian
-ух
(affix)
←
Russian
Пе́тя
(mention)
←
Russian
Пётр
(mention)
←
Russian
петь
(mention)
←
Russian
пе́вень
(mention)
←
Russian
петь
(mention)
←
Serbo-Croatian
pijétao
(cognate)
←
Serbo-Croatian
pijévac
(mention)
←
Slovene
petêlin
(cognate)
←
Slovene
pẹ́təł
(mention)
←
Ukrainian
пі́вень
(cognate)
→
Azerbaijani
petux
(borrowed)
→
Polish
Pietuch
(derived)
→
Russian
кур
(mention)