Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
fortis
←
English
fort
(doublet)
←
Latin
fortis
(borrowed)
→
English
fort
(doublet)
→
English
fortition
(suffix)
→
English
pre-fortis
(prefix)