recessive vs recessionary

recessive is a noun but recessionary is not a noun.

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

As adjectives, recessive and recessionary are synonyms defined as:

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

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