Answer: quaver

AnswerCrossword Clue
QUAVERVibration
quaverutter sound in tremulous tones
quaverto speak in a trembling tone
quaverto quiver
quaverto tremble (to shake (to move to and fro with short, rapid movements))
quaverill
quaverquavering tone
quavertremble
quaverutter quaveringly
QUAVERWarble
QUAVEREighth note
QUAVERShake
QUAVERBe tremulous
QUAVERTrill
QUAVERTrill.
QUAVERTremble.
QUAVERTremulous sound.
QUAVERTremble
QUAVERTremble from weakness