dysplasia vs abnormalcy

dysplasia and abnormalcy both are nouns.

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

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

dysplasia: abnormal development (of organs or cells) or an abnormal structure resulting from such growth
abnormalcy: an abnormal physical condition resulting from defective genes or developmental deficiencies

Other hypernyms of dysplasia include abnormality.

dysplasia (noun)	abnormalcy (noun)
abnormal development (of organs or cells) or an abnormal structure resulting from such growth	an abnormal physical condition resulting from defective genes or developmental deficiencies