Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
chthonic
←
English
(suffix)
←
English
ic
(suffix)
←
Ancient Greek
χθών
(derived)
→
English
Cthulhu
(mention)
→
Romanian
htonic
(borrowed)