biriani vs biryani

biriani and biryani both are nouns.

Word	Noun	Adjective	Verb	Adverb
biriani	Yes	No	No	No
biryani	Yes	No	No	No

As nouns, biriani and biryani are synonyms defined as:

biriani and biryani: an Indian dish made with highly seasoned rice and meat or fish or vegetables

biriani (noun)	biryani (noun)
an Indian dish made with highly seasoned rice and meat or fish or vegetables	an Indian dish made with highly seasoned rice and meat or fish or vegetables