pilau vs bulgur pilaf

pilau and bulgur pilaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
pilau	Yes	No	No	No
bulgur pilaf	Yes	No	No	No

As nouns, bulgur pilaf is a hyponym of pilau; that is, bulgur pilaf is a word with a more specific, narrower meaning than pilau:

pilau: rice cooked in well-seasoned broth with onions or celery and usually poultry or game or shellfish and sometimes tomatoes
bulgur pilaf: pilaf made with bulgur wheat instead of rice and usually without meat

pilau (noun)	bulgur pilaf (noun)
rice cooked in well-seasoned broth with onions or celery and usually poultry or game or shellfish and sometimes tomatoes	pilaf made with bulgur wheat instead of rice and usually without meat