Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
puroi
←
Proto-Indo-European
(derived)
←
Proto-Indo-European
*puH-
(mention)
←
Proto-Italic
*pūs
(derived)
←
Latin
*purōnium
(mention)
←
Latin
pus
(inherited)
←
Latin
puris
(mention)
←
Aromanian
pronjiu
(cognate)
→
Romanian
puroia
(affix)
→
Aromanian
pronjiu
(cognate)
→
Aromanian
pronj
(cognate)