code: function getRelevantWords( text, locale ) {
  	let language = getLanguage( locale );
  	if ( ! functionWordLists.hasOwnProperty( language ) ) {
  		language = "en";
  	}
  
  	const functionWords = functionWordLists[ language ];
  
  	const words = getWordCombinations( text, 1, functionWords.all );
  	const wordCount = words.length;
  
  	let oneWordCombinations = getRelevantCombinations(
  		calculateOccurrences( words )
  	);
  
  	sortCombinations( oneWordCombinations );
  	oneWordCombinations = take( oneWordCombinations, 100 );
  
  	const oneWordRelevanceMap = {};
  
  	forEach( oneWordCombinations, function( combination ) {
  		oneWordRelevanceMap[ combination.getCombination() ] = combination.getRelevance();
  	} );
  
  	const twoWordCombinations = calculateOccurrences( getWordCombinations( text, 2, functionWords.all ) );
  	const threeWordCombinations = calculateOccurrences( getWordCombinations( text, 3, functionWords.all ) );
  	const fourWordCombinations = calculateOccurrences( getWordCombinations( text, 4, functionWords.all ) );
  	const fiveWordCombinations = calculateOccurrences( getWordCombinations( text, 5, functionWords.all ) );
  
  	let combinations = oneWordCombinations.concat(
  		twoWordCombinations,
  		threeWordCombinations,
  		fourWordCombinations,
  		fiveWordCombinations
  	);
  
  	combinations = filterCombinations( combinations, functionWords, language );
  
  	forEach( combinations, function( combination ) {
  		combination.setRelevantWords( oneWordRelevanceMap );
  	} );
  
  	combinations = getRelevantCombinations( combinations );
  	sortCombinations( combinations );
  
  	if ( wordCount >= wordCountLowerLimit ) {
  		combinations = filterOnDensity( combinations, wordCount, densityLowerLimit, densityUpperLimit );
  	}
  
  	return take( combinations, relevantWordLimit );
  }
docs: Returns the relevant words in a given text.
  
  @param {string} text The text to retrieve the relevant words of.
  @param {string} locale The paper's locale.
  @returns {WordCombination[]} All relevant words sorted and filtered for this text.