hyphen vs vinculum

hyphen

noun
  • The symbol "‐", typically used to join two or more words to form a compound term, or to indicate that a word has been split at the end of a line. 

  • Someone who belongs to a marginalized subgroup, and can therefore described by a hyphenated term, such as "German-American", "female-academic", etc. 

  • An enclosed walkway or passage that connects two buildings. 

  • Something that links two more consequential things. 

conj
  • Used to emphasize the coordinating function usually indicated by the punctuation "-". 

vinculum

noun
  • A horizontal line over the top of some of the terms in an expression, indicating that that part of the calculation is to be done before other parts. 

  • A bond or link signifying union. 

  • A ligament that limits the movement of an organ or part. 

  • Specifically, the horizontal line between the numerator and denominator in a fraction. 

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