vitamin P vs bioflavinoid

vitamin P and bioflavinoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitamin P	Yes	No	No	No
bioflavinoid	Yes	No	No	No

As nouns, vitamin P and bioflavinoid are synonyms defined as:

vitamin P and bioflavinoid: a vitamin that maintains the resistance of cell and capillary walls to permeation

Other synonyms of vitamin P include citrin.

vitamin P (noun)	bioflavinoid (noun)
a vitamin that maintains the resistance of cell and capillary walls to permeation	a vitamin that maintains the resistance of cell and capillary walls to permeation