The word tridiagonal is not a valid scrabble word

1 short excerpt of WikWik.org (WikWik is an online database of words defined in the English, French, Spanish, Italian, and other Wiktionnaries.)

  • tridiagonal adj. (Linear algebra, of a matrix) Having nonzero elements only in the main diagonal and the diagonals directly…

15 valid words from the definition

ALGEBRA AND DIAGONAL DIAGONALS DIRECTLY ELEMENTS HAVING IN LINEAR MAIN MATRIX NONZERO OF ONLY THE

13 words-in-word (Words found as is inside the word.)

AG AGO AGON AGONAL AL DI DIAGONAL GO GON ID NA ON RID

10 words-in-word RTL (Words found written from right to left, inside the word.)

AI AID AN DI DIRT GAID ID LA NO NOG

One anagram plus one (New word formed with all the letters from the word plus a letter.)

+A GLADIATORIAN

Scrabble scoring

  • Zero, invalid.
  • 13 points, without game rules.

Other languages

Categories without words

  • No anagrams (Word found by changing the order of the letters.)
  • No cousins (Word found by changing only one letter.)
  • No lipograms (Word found when removing only one letter.)
  • No epentheses (Word found when adding only one letter.)
  • No suffixes (Word found by adding one or more letters at the end of the word.)
  • Not found in the middle (Word found by adding letters in front and at the end of the word.)
  • No prefixes (Word found by adding one or more letters in front of the word.)
  • No anagrams can be formed by removing a letter (New word formed with all the letters of the word minus a letter.)

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.

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