mishmash vs singularity

mishmash

noun
  • A collection containing a variety of miscellaneous things. 

verb
  • To mix together, especially in a confused way. 

  • To become mixed together. 

singularity

noun
  • An unusual action or behaviour. 

  • A point where all parallel lines meet. 

  • Celibacy, singleness (as contrasted with marriage). 

  • A point where a measured variable reaches unmeasurable or infinite value. 

  • The value or range of values of a function for which a derivative does not exist. 

  • The state of being singular, distinct, peculiar, uncommon or unusual. 

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