Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Sanskrit अष्टादश
Sanskrit अष्ट (compound)
Sanskrit दश (compound)

Assamese ওঠৰ (inherited)
Dhivehi އަށާރަ (inherited)
Gujarati અઢાર (inherited)
Hindi अठारह (inherited)
Middle Assamese অঠাৰ (inherited)
Early Assamese অঠাৰ (inherited)
Kashmiri اَرٕداہ (inherited)
Phalura aṣṭóoš (inherited)
Vaghri એરડ઼ો (derived)