Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Sanskrit छात्र

→ Assamese ছাত্ৰ (borrowed)
→ Hindi छात्र (borrowed)
→ Sanskrit छात्रा (compound)
→ Sylheti ꠍꠣꠔ꠆ꠞ (learned borrowing)
→ Urdu چھاتر (mention)