goody-goody vs strait-laced

goody-goody

adj
  • Mawkishly good; weakly benevolent or pious. 

noun
  • A well-behaved person with no obvious human failings, with the possible exception of smugness and self-satisfaction. 

strait-laced

adj
  • Bound with stays. 

How often have the words goody-goody and strait-laced occurred in a corpus of books? (source: Google Ngram Viewer )