sanity — the state of being sane; soundness of mind.
vanity — excessive pride in one's appearance, qualities, abilities, achievements, etc.; character or quality of being vain; conceit: Failure to be elected was a great blow to his vanity.
Four-or-more syllable rhymes
insanity — the condition of being insane; a derangement of the mind. Synonyms: dementia, lunacy, madness, craziness, mania, aberration.
profanity — the quality of being profane; irreverence.
