WOLFRAM

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Analyze Words in a Block of Text

StringCases allows you to pick out specific strings, including words, from text.

    
Wolfram Language code: words = ToLowerCase[StringCases[Import["ExampleData/USConstitution.txt"], WordCharacter..]];
Wolfram Language code: Length[words]
Wolfram Language code: Length[Union[words]]
Wolfram Language code: ListLogPlot[Sort[Last /@ Tally[words]], PlotRange -> All]
Wolfram Language code: Take[Sort[Reverse /@ Tally[words]], -10]