KISS vs intimation

KISS

noun

  • The KISS principle. 

intimation

noun

  • The thing intimated. 

  • Announcement; declaration. 

  • The act of intimating. 

  • A hint; an obscure or indirect suggestion or notice; a remote or ambiguous reference. 

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