suppressor gene vs suppresser

suppressor gene and suppresser both are nouns.

Word	Noun	Adjective	Verb	Adverb
suppressor gene	Yes	No	No	No
suppresser	Yes	No	No	No

As nouns, suppressor gene and suppresser are synonyms defined as:

suppressor gene and suppresser: a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)

Other synonyms of suppressor gene include suppresser gene, suppressor.

suppressor gene (noun)	suppresser (noun)
a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)	an electrical device for suppressing unwanted currents
	a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)
	someone who suppresses