Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
tway
←
Old English
twēġe
(inherited)
←
Old English
twēġen
(mention)
←
English
swy
(doublet)
→
English
twayblade
(mention)
→
English
swy
(doublet)