index.js
function getOveruse(duplicates, limit) {
    var duplicate;
    for (duplicate in duplicates) {
        if (duplicates[duplicate] < limit) {
            delete duplicates[duplicate]
        }
    }
    return keys(duplicates);
}
function getOveruse(duplicates, limit) {
    var duplicate;
    for (duplicate in duplicates) {
        if (duplicates[duplicate] < limit) {
            delete duplicates[duplicate]
        }
    }
    return keys(duplicates);
}
function getOveruse ( duplicates , limit ) { var duplicate ; for ( duplicate in duplicates ) { if ( duplicates [ duplicate ] < limit ) { delete duplicates [ duplicate ] } } return keys ( duplicates ) ; }
Get duplicates that are used too frequently.

@param {Object} duplicates - Phrases to search for.
@param {number} limit - Number of times phrase must have been used.
@return {Array.<string>}
Get duplicates that are used too frequently .