Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
ёрш
←
Lithuanian
erškė̃tis
(cognate)
←
Latvian
ẽršk̨is
(cognate)
←
Russian
еро́шить
(cognate)
←
Russian
еро́ховый
(cognate)
←
Proto-Slavic
(mention)
←
Proto-Slavic
(mention)
←
Ukrainian
йорж
(cognate)
→
Russian
ёршик
(affix)