S1H4A1R1P3
10 points
SHARP is validvalid
suitable for or capable of cutting or piercing [adj SHARPER, SHARPEST] : SHARPLY [adv], SHARPNESS [n] / to raise in pitch, as a musical tone [v SHARPED, SHARPING, SHARPS]
keen, acute [adj SHARPER, SHARPEST, SHARPLY] / to raise in music by a semitone [v -ED, -ING, -S]