All triad synonyms

noun triad

• diapason — either of two stops (open and stopped diapason) usually found throughout the compass of a pipe organ that give it its characteristic tone colour
• harmonics — Music. overtone (def 1).
• attunement — an attuning or act of making harmonious
• melodiousness — The property of being melodious.
• concinnity — a harmonious arrangement of parts, esp in literary works, speeches, etc
• harmony — agreement; accord; harmonious relations.
• chord — A chord is a number of musical notes played or sung at the same time with a pleasing effect.
• mellifluousness — sweetly or smoothly flowing; sweet-sounding: a mellifluous voice; mellifluous tones.
• organum — an organon.