as well vs more and more

as well

adv

  • In addition; also. 

  • Me too. 

  • To the same effect. 

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 as well and more and more occurred in a corpus of books? (source: Google Ngram Viewer )