title: Count most frequent 100 words from sentences in Dataframe Pandas
body: <p>I have text reviews in one column in Pandas dataframe and I want to count the N-most frequent words with their frequency counts (in whole column - NOT in single cell). One approach is Counting the words using a counter, by iterating through each row. Is there a better alternative?</p>
  
  <p>Representative data.</p>
  
  <pre><code>0    a heartening tale of small victories and endu
  1    no sophomore slump for director sam mendes  w
  2    if you are an actor who can relate to the sea
  3    it's this memory-as-identity obviation that g
  4    boyd's screenplay ( co-written with guardian
  </code></pre>