mutation vs saltation

mutation and saltation both are nouns.

Word	Noun	Adjective	Verb	Adverb
mutation	Yes	No	No	No
saltation	Yes	No	No	No

As nouns, saltation is a hyponym of mutation; that is, saltation is a word with a more specific, narrower meaning than mutation:

mutation: (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
saltation: (genetics) a mutation that drastically changes the phenotype of an organism or species

Other hyponyms of mutation include deletion, inversion, transposition, gene mutation, point mutation, reversion.

mutation (noun)	saltation (noun)
(genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism	a light, self-propelled movement upwards or forwards
a change or alteration in form or qualities	taking a series of rhythmical steps (and movements) in time to music
(biology) an organism that has characteristics resulting from chromosomal alteration	(genetics) a mutation that drastically changes the phenotype of an organism or species
	an abrupt transition
	(geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface