innocent vs naif

innocent and naif both are nouns.

Word	Noun	Adjective	Verb	Adverb
innocent	Yes	Yes	No	No
naif	Yes	Yes	No	No

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

Other hyponyms of innocent include boy scout, dear, lamb, virgin.

innocent (noun)	naif (noun)
a person who lacks knowledge of evil	a naive or inexperienced person

innocent (adjective)	naif (adjective)
free from evil or guilt	marked by or showing unaffected simplicity and lack of guile or worldly experience
lacking intent or capacity to injure
lacking in sophistication or worldliness
completely wanting or lacking
(used of things) lacking sense or awareness
not knowledgeable about something specified
free from sin