subcontinent vs Republic of India

subcontinent and Republic of India both are nouns.

Word	Noun	Adjective	Verb	Adverb
subcontinent	Yes	No	No	No
Republic of India	Yes	No	No	No

subcontinent (noun)	Republic of India (noun)
a large and distinctive landmass (as India or Greenland) that is a distinct part of some continent	a republic in the Asian subcontinent in southern Asia; second most populous country in the world; achieved independence from the United Kingdom in 1947