blossoming vs anthesis

blossoming and anthesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
blossoming	Yes	No	No	No
anthesis	Yes	No	No	No

As nouns, blossoming and anthesis are synonyms defined as:

blossoming and anthesis: the time and process of budding and unfolding of blossoms

Other synonyms of blossoming include efflorescence, florescence, flowering, inflorescence.

blossoming (noun)	anthesis (noun)
the time and process of budding and unfolding of blossoms	the time and process of budding and unfolding of blossoms