tremor

tremor - noun

an involuntary vibration (as if from illness or fear)

a small earthquake

shaking or trembling (usually resulting from weakness or stress or disease)

tremor - verb

tremor - thesaurus

Scrabble score = 8

"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."

King's Leadership Academy, Warrington