psychotic vs paranoid

psychotic and paranoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychotic	Yes	Yes	No	No
paranoid	Yes	Yes	No	No

As nouns, paranoid is a hyponym of psychotic; that is, paranoid is a word with a more specific, narrower meaning than psychotic:

Other hyponyms of psychotic include cataleptic, paranoiac, schizophrenic.

psychotic (noun)	paranoid (noun)
a person afflicted with psychosis	a person afflicted with paranoia

psychotic (adjective)	paranoid (adjective)
characteristic of or suffering from psychosis	suffering from paranoia