Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
in twain
←
Old English
on twēġen
(derived)
←
Middle English
in tweyn
(inherited)
←
Middle English
in twen
(mention)
←
Middle English
in tweyne
(mention)
←
Middle English
on tweyne
(mention)
→
English
twain
(link)