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DOUBLE_FLS

Double F, L, S Rule

F, L, and S often double after a short vowel at the end of a base word (e.g. off, bell, miss).

📖 Detailed Explanation

We often double F, L, and S after a SINGLE vowel at the end of a BASE word. This is sometimes called the "FLOSS rule" (F, L, O-S, S).

✅ Examples (Rule Applies)

❌ Compare (Rule Does NOT Apply)

💡 Tips to Remember

  • FLOSS: double F, L, and S after short vowel
  • Many exceptions exist (if, of, us, bus)
  • Does not apply to longer words or suffixes

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