Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Assamese
থ
←
Sanskrit
स्थापयति
(inherited)
←
Sylheti
ꠕꠃꠣ
(cognate)
→
Assamese
থোৱা
(suffix)