chrosomal abnormality vs chromosomal anomaly

chrosomal abnormality and chromosomal anomaly both are nouns.

Word	Noun	Adjective	Verb	Adverb
chrosomal abnormality	Yes	No	No	No
chromosomal anomaly	Yes	No	No	No

As nouns, chrosomal abnormality and chromosomal anomaly are synonyms defined as:

chrosomal abnormality and chromosomal anomaly: any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities

Other synonyms of chrosomal abnormality include chromosomal aberration, chromosonal disorder.

chrosomal abnormality (noun)	chromosomal anomaly (noun)
any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities	any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities