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Updated June 2026
A threadlike structure, especially in anatomy or botany.
“The filum terminale anchors the spinal cord to the coccyx.”
fi·lum
"Filum" uses 5 different letters, which makes it efficient for eliminating options. Its 2 vowels balance the consonants.
"Filum" is worth 10 points before board bonuses. Aim its letters at double/triple-letter and word squares to lift the score.
Change a single letter of “filum” to make these 5-letter words — useful for Wordle and crossword clues.
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