momentarily vs more and more

momentarily

adv
  • Progressively; moment by moment. 

  • In a momentary manner; for a moment or instant. 

  • In a moment or very soon; any minute now, any time now. 

more and more

adv
  • Progressively more. 

  • Indicates that the statement is becoming progressively more true. 

  • In a manner that progressively increases. 

det
  • Increasingly more; a growing number of; a growing quantity of. 

How often have the words momentarily and more and more occurred in a corpus of books? (source: Google Ngram Viewer )