lusus naturae vs mutation

lusus naturae and mutation both are nouns.

Word	Noun	Adjective	Verb	Adverb
lusus naturae	Yes	No	No	No
mutation	Yes	No	No	No

As nouns, mutation is a hypernym of lusus naturae; that is, mutation is a word with a broader meaning than lusus naturae:

lusus naturae: a person or animal that is markedly unusual or deformed
mutation: (biology) an organism that has characteristics resulting from chromosomal alteration

Other hypernyms of lusus naturae include mutant, sport, variation.

lusus naturae (noun)	mutation (noun)
a person or animal that is markedly unusual or deformed	(genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
	a change or alteration in form or qualities
	(biology) an organism that has characteristics resulting from chromosomal alteration