especially vs more and more

especially

adv
  • Particularly; to a greater extent than is normal. 

  • In a special manner; specially. 

  • Used to place greater emphasis upon someone or something. 

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