churidars vs trousers

churidars and trousers both are nouns.

Word	Noun	Adjective	Verb	Adverb
churidars	Yes	No	No	No
trousers	Yes	No	No	No

As nouns, trousers is a hypernym of churidars; that is, trousers is a word with a broader meaning than churidars:

churidars: tight trousers worn by people from the Indian subcontinent (typically with a kameez or kurta)
trousers: (usually in the plural) a garment extending from the waist to the knee or ankle, covering each leg separately

Other hypernyms of churidars include pair of trousers, pant.

churidars (noun)	trousers (noun)
tight trousers worn by people from the Indian subcontinent (typically with a kameez or kurta)	(usually in the plural) a garment extending from the waist to the knee or ankle, covering each leg separately