Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
peta-
←
English
penta-
(mention)
→
English
pebi-
(blend)
→
English
petakelvin
(affix)
→
Greek
πετα-
(mention)