guyver vs soft soap

guyver

noun
  • Flattering talk; behaviour put on to impress or deceive; persiflage. 

soft soap

noun
  • any fluid or semifluid soap 

  • jellyish soap made by cooking natural oils and fats with potassium hydroxide 

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