bloom vs floral envelope

bloom and floral envelope both are nouns.

Word	Noun	Adjective	Verb	Adverb
bloom	Yes	No	Yes	No
floral envelope	Yes	No	No	No

bloom (noun)	floral envelope (noun)
a powdery deposit on a surface	collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils
reproductive organ of angiosperm plants especially one having showy or colorful parts
the organic process of bearing flowers
a rosy color (especially in the cheeks) taken as a sign of good health
the best time of youth
the period of greatest prosperity or productivity

bloom (verb)	floral envelope (verb)
produce or yield flowers