feeling vs iceberg

feeling

adj
  • Emotionally sensitive. 

  • Expressive of great sensibility; attended by, or evincing, sensibility. 

noun
  • An opinion, an attitude. 

  • Emotional state or well-being. 

  • Emotion; impression. 

  • Sensation, particularly through the skin. 

  • Emotional attraction or desire. 

  • Intuition. 

iceberg

noun
  • A huge mass of ocean-floating ice which has broken off a glacier or ice shelf 

  • An aloof person. 

  • An impending disastrous event whose adverse effects are only beginning to show, in reference to one-tenth of the volume of an iceberg being visible above water. 

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