1. It causes the victim's legs to start dancing.   Tergeo   Specialis Revelio   Tarantallegra   Quietus   Hint Half-n-half Clue   2. It causes a magically-magnified voice to return to its original pitch.   Scourgify   Peskipiksi Pesternomi   Stupefy   Quietus   Half-n-half Clue   3. It causes an article to reveal its magical characteristics.   Oppugno   Reparo   Specialis Revelio   Wingardium Leviosa   Half-n-half Clue   4. It causes the victim to be tickled.   Reparo   Wingardium Leviosa   Rictusempra   Orchideous   Half-n-half Clue   5. It causes a magically-enlarged article to return to its original size.   Orchideous   Peskipiksi Pesternomi   Reducio   Reparo   Half-n-half Clue   6. It causes the liquid on a particular surface to be cleaned.   Mobiliarbus   Reparo   Rennervate   Tergeo   Half-n-half Clue   7. It causes animals to start attacking.   Oppugno   Reducio   Mobiliarbus   Silencio   Half-n-half Clue