aliterate vs know nothing

aliterate and know nothing both are nouns.

Word	Noun	Adjective	Verb	Adverb
aliterate	Yes	No	No	No
know nothing	Yes	No	No	No

As nouns, know nothing is a hypernym of aliterate; that is, know nothing is a word with a broader meaning than aliterate:

aliterate: a person who can read but is disinclined to derive information from literary sources
know nothing: an ignorant person

Other hypernyms of aliterate include ignoramus, uneducated person.

aliterate (noun)	know nothing (noun)
a person who can read but is disinclined to derive information from literary sources	an ignorant person