Potential answers for "Extremely rare"

⭐⭐⭐⭐ IINAIOOOOOO
⭐⭐⭐⭐ ONCEINALIFETIME
⭐⭐⭐⭐ FREAK
⭐⭐⭐ IRIDIUM
⭐ EPOCHAL
⭐ LEAF
⭐ IOTA
⭐ YTTRIA
⭐ PPP
⭐ AHUM

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