Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Decameron
←
Ancient Greek
δέκᾰ
(derived)
←
Ancient Greek
ἡμέρᾱ
(mention)
←
Italian
Decameron
(borrowed)
→
English
Decameronic
(affix)
→
English
Decameronian
(affix)
→
English
Decameronesque
(affix)