Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
pygo-
←
Ancient Greek
πυγή
(mention)
→
English
steatopygia
(affix)
→
English
pygostyle
(cognate)
→
English
steatopyga
(mention)
→
English
dipygus
(mention)