establishable vs mightly

establishable

adj

  • Able to be established. 

mightly

adj

  • Able; able to occur; possible. 

  • Mighty; competent; capable; strong; powerful. 

  • Substantial; weighty; of import. 

adv

  • Very. 

  • Mightily. 

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