hyperplasia vs dysplasia

hyperplasia and dysplasia both are nouns.

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

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

hyperplasia: abnormal increase in number of cells
dysplasia: abnormal development (of organs or cells) or an abnormal structure resulting from such growth

hyperplasia (noun)	dysplasia (noun)
abnormal increase in number of cells	abnormal development (of organs or cells) or an abnormal structure resulting from such growth