One-Word Substitution 1. The main character in a story - Protagonist (प्रमुख नायक) 2. Store things illegally - Hoard (गुप्त भंडार) 3. To give someone a piece of ones mind - Reprimand (फटकारना) 4. Scientific study of words - Etymology (व्युत्पत्ति विज्ञान) 5. Scientific study of insects - Entomology (कीट विज्ञान) 1.7K views12:04