flattering vs oily

flattering

adj
  • Gratifying to one's self-esteem; complimentary. 

  • Attractive or good-looking; that makes one look good. 

  • That which represents too favorably. 

noun
  • The action of the verb to flatter. 

  • Instances of flattery. 

oily

adj
  • Excessively friendly or polite but insincere. 

  • Covered with or containing oil. 

  • Relating to or resembling oil. 

noun
  • A marble with an oily lustre. 

  • Oilskins. (waterproof garment) 

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