acuteness, arguteness, atonalism, atonality, cacophony, clinker, creakiness, discord, discordance, discordancy, disharmony, dissonance, dissonancy, dissonant chord, flatness, highness, inharmoniousness, inharmony, off note, pipingness, reediness, screechiness, sharpness, shrillness, sour note, sourness, stridence, stridency, stridulousness, tunelessness, unharmoniousness, unmusicality, untunefulness, wolf