Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
sweġen
→
English
swain
(inherited)
→
English
boatswain
(mention)
→
Old English
swan
(doublet)
→
Middle English
swayn
(inherited)