Republic of India vs Sepoy Mutiny

Republic of India and Sepoy Mutiny both are nouns.

Word	Noun	Adjective	Verb	Adverb
Republic of India	Yes	No	No	No
Sepoy Mutiny	Yes	No	No	No

Republic of India (noun)	Sepoy Mutiny (noun)
a republic in the Asian subcontinent in southern Asia; second most populous country in the world; achieved independence from the United Kingdom in 1947	discontent with British administration in India led to numerous mutinies in 1857 and 1858; the revolt was put down after several battles and sieges (notably the siege at Lucknow)