Euphonical :: Euphonical (a.) Pertaining to, or exhibiting, euphony; agreeable in sound; pleasing to the ear; euphonious; as, a euphonic expression; euphonical orthography..
Euphonon :: Euphonon (n.) An instrument resembling the organ in tine and the upright piano in form. It is characterized by great strength and sweetness of tone.
Euphony :: Euphony (n.) A pleasing or sweet sound; an easy, smooth enunciation of sounds; a pronunciation of letters and syllables which is pleasing to the ear..