recessionary vs recessive

recessionary is not a noun while recessive is a noun.

Word	Noun	Adjective	Verb	Adverb
recessionary	No	Yes	No	No
recessive	Yes	Yes	No	No

As adjectives, recessionary and recessive are synonyms defined as:

recessionary (noun)	recessive (noun)
	an allele that produces its characteristic phenotype only when its paired allele is identical

recessionary (adjective)	recessive (adjective)
of or pertaining to a recession	(of genes) producing its characteristic phenotype only when its allele is identical
	of or pertaining to a recession