informal vs squeamish

informal

adj
  • Reflecting everyday, non-ceremonious usage. 

  • Suited for everyday use. 

  • Not in accord with the usual regulations. 

  • Not formal or ceremonious. 

  • Not organized; not structured or planned. 

squeamish

adj
  • Averse or reluctant. 

  • Easily shocked, sickened or frightened; tending to be nauseated or nervous; oversensitive. 

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