dextrocardia vs abnormalcy

dextrocardia and abnormalcy both are nouns.

Word	Noun	Adjective	Verb	Adverb
dextrocardia	Yes	No	No	No
abnormalcy	Yes	No	No	No

As nouns, abnormalcy is a hypernym of dextrocardia; that is, abnormalcy is a word with a broader meaning than dextrocardia:

dextrocardia: abnormal condition where the heart is located toward the right side of the chest
abnormalcy: an abnormal physical condition resulting from defective genes or developmental deficiencies

Other hypernyms of dextrocardia include abnormality.

dextrocardia (noun)	abnormalcy (noun)
abnormal condition where the heart is located toward the right side of the chest	an abnormal physical condition resulting from defective genes or developmental deficiencies