easy as falling off a log vs straightforward

easy as falling off a log

adj

  • Very easy. 

straightforward

adj

  • easy, simple, uncomplicated, without difficulty 

  • proceeding in a straight course or manner; not deviating 

  • direct; forthright; frank; sincere 

adv

  • In a straightforward manner; straightforwards; straightforwardly. 

How often have the words easy as falling off a log and straightforward occurred in a corpus of books? (source: Google Ngram Viewer )