Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sanskrit
कठिन
←
Sanskrit
कठ्
(mention)
→
Gujarati
કઠિન
(borrowed)
→
Hindi
कठिन
(borrowed)
→
Marathi
कठीण
(borrowed)
→
Sanskrit
कठिनता
(suffix)
→
Sanskrit
कठिनत्व
(suffix)
→
Sanskrit
कठिनचित्त
(compound)
→
Sanskrit
कठिनहृदय
(compound)
→
Sanskrit
कठिनपृष्ठ
(compound)
→
Tamil
கடினம்
(borrowed)
→
Telugu
కఠినము
(mention)
→
Urdu
کٹھن
(mention)