| APOPHONIES | • apophonies n. Plural of apophony. • APOPHONY n. a change in root vowels of verb forms. | 
| ACROPHONIES | • acrophonies n. Plural of acrophony. • ACROPHONY n. the use of a word starting with a letter of the alphabet as the name of the letter. | 
| AUTOPHONIES | • AUTOPHONY n. apparent distortion of one's own voice due to infection or stoppage of ears. | 
| CACOPHONIES | • cacophonies n. Plural of cacophony. • CACOPHONY n. the harsh joining of sounds. | 
| COLOPHONIES | • colophonies n. Plural of colophony. • COLOPHONY n. rosin. | 
| HOMOPHONIES | • homophonies n. Plural of homophony. • HOMOPHONY n. sameness of sound. | 
| MONOPHONIES | • MONOPHONY n. a composition for one voice. | 
| AMBIOPHONIES | • AMBIOPHONY n. the reproduction of sound to create an illusion to a listener of being in a spacious room, such as a concert hall. | 
| GRAMOPHONIES | • GRAMOPHONY n. (obsolete) the use of the gramophone. | 
| PHOTOPHONIES | • PHOTOPHONY n. the art or practice of using the photophone. | 
| RADIOPHONIES | • RADIOPHONY n. the art or practice of using the radiophone. | 
| TAUTOPHONIES | • tautophonies n. Plural of tautophony. • TAUTOPHONY n. repetition of the same sound. | 
| HETEROPHONIES | • heterophonies n. Plural of heterophony. • HETEROPHONY n. an independent variation on a single melody by two or more voices. | 
| QUADROPHONIES | • QUADROPHONY n. a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS. | 
| STEREOPHONIES | • STEREOPHONY n. the reproduction of sound. | 
| LARYNGOPHONIES | • LARYNGOPHONY n. the sound of the voice as heard through the stethoscope applied over the larynx. |