The word pentadiagonal 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.)

  • pentadiagonal adj. (Mathematics, of a matrix) In which the only nonzero entries are on the main diagonal, and the first…

15 valid words from the definition

AND ARE DIAGONAL ENTRIES FIRST IN MAIN MATHEMATICS MATRIX NONZERO OF ON ONLY THE WHICH

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

AD AG AGO AGON AGONAL AL DI DIAGONAL EN GO GON NA ON PE PEN PENT PENTAD TA TAD

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

AI AID AIDA AN AT DA GAID ID LA NE NEP NO NOG

Scrabble scoring

  • Zero, invalid.
  • 17 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 with an extra letter (New word formed with all the letters of the word and an extra letter.)
  • 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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