increasingly vs more and more

increasingly

adv

  • Increasing in amount or intensity. 

more and more

adv

  • In a manner that progressively increases. 

  • Indicates that the statement is becoming progressively more true. 

  • Progressively more. 

det

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

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