Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
εγώ
←
Ancient Greek
ἐγώ
(inherited)
←
Proto-Indo-European
*éǵh₂
(inherited)
→
Catalan
jo
(cognate)
→
Spanish
yo
(cognate)
→
Friulian
jo
(cognate)
→
Pontic Greek
εγώ
(mention)
→
Romansch
eu
(cognate)
→
Leonese
you
(cognate)