oddment vs rarity

oddment

noun
  • Something strange or unusual. 

  • A part of something that is left over, such as a piece of cloth. 

  • A person who does not fit in with others or is considered to be strange in some way. 

  • A varied collection (of items). 

  • A part of a book that is not a portion of the text, such as the title, index, etc. (usually plural). 

  • An item that was originally part of a set but is sold individually; an excess item of stock. 

  • Something that does not match the things it is with or cannot easily be categorized; a miscellaneous item. 

  • A remaining number or amount (after a calculation). 

rarity

noun
  • A rare object. 

  • A measure of the scarcity of an object. 

  • Thinness; the property of having low density 

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