chamchagiri vs soft-soap

chamchagiri

noun
  • Sycophancy, flattery. 

soft-soap

noun
  • Persuasion by means of flattery or pleasing words. 

verb
  • To attempt to persuade by flattery or pleasing words; to butter up. 

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