Potential answers for "Secret bit of knowledge"

⭐⭐⭐⭐ ARCANUM
⭐⭐⭐ ESP
⭐⭐⭐ INSIDER
⭐⭐⭐ ARCANE
⭐⭐⭐ ARCANA
⭐⭐⭐ ISINON
⭐⭐ ATWT
⭐⭐ OUT
⭐⭐ EARPHONE
⭐⭐ FRIED

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