falsetto (n.)
- alto
- aphonia
- baritone
- bass
- bourdon
- bravura
- burden
- choral
- coloratura
- countertenor
- croak
- crow
- drone
- dysarthria
- dyslogia
- dysphasia
- dysphonia
- harshness
- heroic
- high
- hiss
- hoarseness
- hymnal
- lisp
- lyric
- mezzo-soprano
- nasalization
- quaver
- shake
- sibilation
- singing
- soprano
- tenor
- treble
- tremor
- twang
- vocal
- voce
- voice