advocate vs succour

advocate

verb
  • To encourage support for something. 

  • To appeal from an inferior court to the Court of Session. 

  • To engage in advocacy. 

  • To call a case before itself for decision. 

  • To plead in favour of; to defend by argument, before a tribunal or the public; to support, vindicate, or recommend publicly. 

noun
  • A person who supports others to make their voices heard, or ideally for them to speak up for themselves. 

  • A person who speaks in support of something, or someone. 

  • Someone whose job is to speak for someone's case in a court of law; a counsel. 

  • Anyone who argues the case of another; an intercessor. 

succour

verb
  • To give aid, assistance, or help. 

  • To provide aid or assistance in the form of military equipment and soldiers; in particular, for helping a place under siege. 

  • To protect, to shelter; to provide a refuge. 

noun
  • Aid or assistance in the form of military equipment and soldiers, especially reinforcements sent to support military action. 

  • Protection, refuge, shelter; (countable) a place providing such protection, refuge or shelter. 

  • Aid, assistance, or relief given to one in distress; ministration. 

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