Scrabble and Words with Friends

• ALPHA is a valid Scrabble word worth 10 points. Scrabble uses the TWL word list.
  

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• ALPHA is a valid Words with Friends word worth 11 points. Words with Friends uses the ENABLE word list.
  

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• ALPHA is a 5 letter word containing the letters a, a, h, l, p.

Definitions

• alpha

  noun the 1st letter of the Greek alphabet

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• alpha

  noun the beginning of a series or sequence
  the Alpha and Omega, the first and the last, the beginning and the end

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• alpha

  adjective satellite first in order of importance
  the alpha male in the group of chimpanzees
  the alpha star in a constellation is the brightest or main star

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• alpha

  adjective satellite early testing stage of a software or hardware product
  alpha version

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• Lookup ALPHA using the Merriam-Webster dictionary

Words that sound like 'alpha'

Reference