account vs should

account

verb
  • To give a satisfactory evaluation for (one's actions, behaviour etc.); to answer for. 

  • To give a satisfactory evaluation for financial transactions, money received etc. 

  • To consider that. 

  • To estimate, consider (something to be as described). 

  • To establish the location for someone. 

  • To cause the death, capture, or destruction of someone or something (+ for). 

  • To give a satisfactory reason for; to explain. 

noun
  • A statement in general of reasons, causes, grounds, etc., explanatory of some event; a reason of an action to be done. 

  • A reason, grounds, consideration, motive; a person's sake. 

  • Authorization as a specific registered user in accessing a system. 

  • A registry of pecuniary transactions; a written or printed statement of business dealings or debts and credits, and also of other things subjected to a reckoning or review. 

  • An estimate or estimation; valuation; judgment. 

  • A bank account. 

  • Profit; advantage. 

  • A record of events; a relation or narrative. 

  • Importance; worth; value; esteem; judgement. 

should

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

  • 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. 

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

  • 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 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 account and should occurred in a corpus of books? (source: Google Ngram Viewer )