any more vs thenceforward

any more

adv
  • From a given time onwards; longer, again. 

  • Used other than figuratively or idiomatically: see any, more. 

  • Now, from now on. 

thenceforward

adv
  • from then on; from that time on 

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