Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
armomancy
←
English
(suffix)
←
English
mancy
(suffix)
←
Proto-Indo-European
*h₂er-
(root)
←
Latin
armus
(mention)