Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
Řek
←
Proto-Slavic
*grьkъ
(inherited)
←
Old Czech
Hřěk
(inherited)
←
Old Czech
Řěk
(mention)
→
Czech
Řecko
(affix)
→
Czech
řečtina
(affix)
→
Czech
Řekyně
(affix)
→
Czech
řecký
(affix)
→
Polish
Grek
(cognate)