Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
pelagosaur
←
English
(suffix)
←
English
saur
(suffix)
←
Ancient Greek
πελαγικός
(mention)
←
Ancient Greek
πέλαγος
(mention)
←
Latin
pelagus
(mention)