Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
ύψιλον
←
Ancient Greek
ὖ ψῑλόν
(inherited)
→
Danish
ypsilon
(cognate)
→
Portuguese
ípsilon
(cognate)