This page lists every known solution for the clue “Nerve Fiber” in Crossword Challenge. Because this clue can appear in different puzzles (levels) with different required answers, we first list all the answers, then show which one appears in each puzzle below.
Nerve Fiber Crossword Challenge Answers (All Variants)
Axon
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for Nerve Fiber Clue
Puzzle 663 — - Puzzle 846 —
Where This Clue Appears
Last Checked: September 12, 2025