dominance vs say-so

dominance and say-so both are nouns.

Word	Noun	Adjective	Verb	Adverb
dominance	Yes	No	No	No
say-so	Yes	No	No	No

As nouns, dominance and say-so are synonyms defined as:

dominance and say-so: the power or right to give orders or make decisions

Other synonyms of dominance include authorisation, authority, authorization, potency.

dominance (noun)	say-so (noun)
the power or right to give orders or make decisions	the power or right to give orders or make decisions
superior development of one side of the body	an authoritative declaration
the organic phenomenon in which one of a pair of alleles present in a genotype is expressed in the phenotype and the other allele of the pair is not	one chap's arbitrary assertion
the state that exists when one person or group has power over another