Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
-ennium
→
English
millennium
(mention)
→
English
decennial
(mention)
→
English
trigintennial
(mention)
→
English
quadranscentennial
(mention)