suppresser gene vs suppressor gene

suppresser gene and suppressor gene both are nouns.

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

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

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

Other synonyms of suppresser gene include suppresser, suppressor.

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