1. It causes a magically-enlarged article to return to its original size.   Reducio   Orchideous   Petrificus Totalus   Peskipiksi Pesternomi   Hint Half-n-half Clue   2. It causes the caster's voice to be magnified.   Stupefy   Sonorus   Petrificus Totalus   Reparo   Half-n-half Clue   3. It causes an article to reveal its magical characteristics.   Specialis Revelio   Stupefy   Peskipiksi Pesternomi   Petrificus Totalus   Half-n-half Clue   4. It causes the victim or the victim article to be quietened.   Rictusempra   Reducio   Silencio   Specialis Revelio   Half-n-half Clue   5. It causes pixies to exit.   Obliviate   Tergeo   Peskipiksi Pesternomi   Rictusempra   Half-n-half Clue   6. It causes an article to levitate.   Oppugno   Specialis Revelio   Reparo   Wingardium Leviosa   Half-n-half Clue   7. It causes the victim to become unconscious.   Wingardium Leviosa   Oppugno   Stupefy   Quietus   Half-n-half Clue