Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
megawatt
←
English
mega-
(affix)
←
English
watt
(affix)
→
English
negawatt
(mention)
→
English
multimegawatt
(prefix)
→
Italian
megawatt
(borrowed)