claim vs should

claim

verb
  • To state a new fact, typically without providing evidence to prove it is true. 

  • To be entitled to anything; to deduce a right or title; to have a claim. 

  • To cause the loss of, usually by violent means. 

  • To demand ownership of. 

  • To demand ownership or right to use for land. 

  • To demand compensation or damages through the courts. 

noun
  • The right or ground of demanding. 

  • The thing claimed. 

  • A demand of ownership for previously unowned land. 

  • A demand of ownership made for something. 

  • A new statement of something one believes to be the truth, usually when the statement has yet to be verified or without valid evidence provided. 

  • A legal demand for compensation or damages. 

should

verb
  • To make a statement of what ought to be true, as opposed to reality. 

  • Will be likely to (become or do something); indicates a degree of possibility or probability that the stated thing will happen or be true in the future. 

  • Indicates that something is expected to have happened or to be the case now. 

  • Used to express a conditional outcome. 

  • With verbs such as 'see' or 'hear', usually in the second person, used to point out something remarkable in either a good or bad way. 

  • Used to impart a tentative, conjectural or polite nuance. 

  • Used to express what the speaker would do in another person's situation, as a means of giving a suggestion or recommendation. 

  • Simple past tense of shall. 

  • In questions, asks what is correct, proper, desirable, etc. 

  • Used to issue an instruction (traditionally seen as carrying less force of authority than alternatives such as 'shall' or 'must'). 

  • Used to give advice or opinion that an action is, or would have been, beneficial or desirable. 

  • Used to form a variant of the present subjunctive, expressing a state or action that is hypothetical, potential, mandated, etc. 

noun
  • Something that ought to be the case as opposed to already being the case. 

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