mollusc vs sleaze

mollusc

noun
  • A weak-willed person. 

  • A soft-bodied invertebrate of the phylum Mollusca, typically with a hard shell of one or more pieces. 

sleaze

noun
  • A person of low moral standards. 

  • A man who is sexually aggressive or forward with women to the point of causing disgust. 

  • sleazy material 

  • Low moral standards. 

verb
  • To slander. 

  • To act or progress in a sleazy manner. 

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