chromosomal anomaly vs deviance

chromosomal anomaly and deviance both are nouns.

Word	Noun	Adjective	Verb	Adverb
chromosomal anomaly	Yes	No	No	No
deviance	Yes	No	No	No

As nouns, deviance is a hypernym of chromosomal anomaly; that is, deviance is a word with a broader meaning than chromosomal anomaly:

chromosomal anomaly: any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities
deviance: a state or condition markedly different from the norm

Other hypernyms of chromosomal anomaly include aberrance, aberrancy, aberration.

chromosomal anomaly (noun)	deviance (noun)
any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities	deviate behavior
	a state or condition markedly different from the norm