insinuation vs innuendo

insinuation and innuendo both are nouns.

Word	Noun	Adjective	Verb	Adverb
insinuation	Yes	No	No	No
innuendo	Yes	No	No	No

As nouns, insinuation and innuendo are synonyms defined as:

insinuation and innuendo: an indirect (and usually malicious) implication

insinuation (noun)	innuendo (noun)
the act of gaining acceptance or affection for yourself by persuasive and subtle blandishments	an indirect (and usually malicious) implication
an indirect (and usually malicious) implication