Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
agnail
←
Old English
angnægl
(derived)
←
Old English
ang-
(mention)
←
Old English
nægl
(mention)
←
Middle English
agnail
(derived)
←
Proto-Indo-European
*h₂enǵʰ-
(root)
→
English
hangnail
(mention)