crud vs disease

crud and disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
crud	Yes	No	No	No
disease	Yes	No	No	No

As nouns, disease is a hypernym of crud; that is, disease is a word with a broader meaning than crud:

crud (noun)	disease (noun)
an ill-defined bodily ailment	an impairment of health or a condition of abnormal functioning
any substance considered disgustingly foul or unpleasant
heavy wet snow that is unsuitable for skiing