support vs vouch

support

verb
  • To verify; to make good; to substantiate; to establish; to sustain. 

  • To keep from falling. 

  • To be designed (said of machinery, electronics, or computers, or their parts, accessories, peripherals, or programming) to function compatibly with or provide the capacity for. 

  • To help, particularly financially. 

  • To back a cause, party, etc., mentally or with concrete aid. 

  • To serve, as in a customer-oriented mindset; to give support to. 

  • To answer questions and resolve problems regarding something sold. 

  • To be accountable for, or involved with, but not responsible for. 

  • To assume and carry successfully, as the part of an actor; to represent or act; to sustain. 

noun
  • An actor playing a subordinate part with a star. 

  • Answers to questions and resolution of problems regarding something sold. 

  • Evidence. 

  • Something which supports. 

  • An accompaniment in music. 

  • Compatibility and functionality for a given product or feature. 

  • Horizontal, vertical or rotational support of structures: movable, hinged, fixed. 

  • Financial or other help. 

  • A set whose elements are at least partially included in a given fuzzy set (i.e., whose grade of membership in that fuzzy set is strictly greater than zero). 

  • in relation to a function, the set of points where the function is not zero, or the closure of that set. 

vouch

verb
  • To affirm or warrant the correctness or truth of (something); also, to affirm or warrant (the truth of an assertion or statement). 

  • To assert, aver, or declare (something). 

  • To provide evidence or proof. 

  • To back, confirm, or support (someone or something) with credible evidence or proof. 

  • To call on (someone) to be a witness to something. 

  • To bear witness or testify; to guarantee or sponsor. 

  • To cite or rely on (an authority, a written work, etc.) in support of one's actions or opinions. 

  • To bear witness or testify to the nature or qualities (of someone or something). 

  • In full vouch to warrant or vouch to warranty: to summon (someone) into court to establish a warranty of title to land. 

  • Followed by over: of a vouchee (a person summoned to court to establish a warranty of title): to summon (someone) to court in their place. 

  • To express confidence in or take responsibility for (the correctness or truth of) something. 

noun
  • An assertion, a declaration; also, a formal attestation or warrant of the correctness or truth of something. 

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