Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
stalworth
←
Old English
stǣlwierþe
(inherited)
←
Old English
staþol
(mention)
←
Old English
stǣl
(mention)
←
Old English
-wierþe
(mention)
←
English
stalwart
(doublet)
←
English
staddle
(mention)
←
English
worth
(mention)
←
Middle English
stalworth
(inherited)
←
Middle English
stal-worth
(mention)
←
Proto-Indo-European
*steh₂-
(derived)
←
Proto-Indo-European
*wert-
(derived)
→
English
stalwart
(doublet)
→
English
stalworthness
(suffix)
→
English
stalworthly
(suffix)
→
Scots
stalwart
(cognate)