miscue

miscue - noun

a faulty shot in billiards; the cue tip slips off the cue ball

a minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc.

miscue - thesaurus

Scrabble score = 10

"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