bloom vs burst forth

bloom is a noun but burst forth is not a noun.

Word	Noun	Adjective	Verb	Adverb
bloom	Yes	No	Yes	No
burst forth	No	No	Yes	No

As verbs, burst forth is a hyponym of bloom; that is, burst forth is a word with a more specific, narrower meaning than bloom:

Other hyponyms of bloom include effloresce.

bloom (noun)	burst forth (noun)
a powdery deposit on a surface
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)	burst forth (verb)
produce or yield flowers	be unleashed; emerge with violence or noise
	come into or as if into flower
	jump out from a hiding place and surprise (someone)