Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
aridus
←
Proto-Indo-European
*h₂eHs-
(root)
←
Proto-Italic
*āzidos
(inherited)
←
Latin
āreō
(suffix)
←
Latin
idus
(suffix)
→
Romanian
arid
(derived)
→
Tocharian B
ās-
(cognate)