Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sanskrit
तमस्वत्
←
Avestan
𐬙𐬆𐬨𐬀𐬤𐬵𐬀𐬧𐬙
(cognate)
←
Proto-Indo-Iranian
*támHas
(inherited)
←
Proto-Indo-European
*témHos
(derived)
←
Sanskrit
तमस्
(suffix)
←
Sanskrit
-वत्
(suffix)