Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
expleō
→
English
expletive
(mention)
→
English
explement
(mention)
→
Latin
explens
(mention)
→
Latin
expleturus
(mention)
→
Latin
expletus
(mention)
→
Latin
explendus
(mention)
→
Latin
expletrix
(affix)