present vs volunteer

present

verb
  • To give a gift or presentation to (someone). 

  • To come forward, appear in a particular place or before a particular person, especially formally. 

  • To nominate (a member of the clergy) for an ecclesiastical benefice; to offer to the bishop or ordinary as a candidate for institution. 

  • To put (something) forward in order for it to be seen; to show, exhibit. 

  • To offer (a problem, complaint) to a court or other authority for consideration. 

  • To offer oneself for mental consideration; to occur to the mind. 

  • To give (a gift or presentation) to someone; to bestow. 

  • To bring (someone) into the presence of (a person); to introduce formally. 

  • In omegaverse fiction, to have one's secondary sex (alpha, omega, or beta) become apparent, typically at puberty. 

  • To deliver (something abstract) as though as a gift; to offer. 

  • To hand over (a bill etc.) to be paid. 

  • To appear or represent oneself (as having a certain gender). 

  • To make clear to one's mind or intelligence; to put forward for consideration. 

  • To put on, stage (a play etc.). 

  • To come to the attention of medical staff, especially with a specific symptom. 

  • To appear (in a specific way) for delivery (of a fetus); to appear first at the mouth of the uterus during childbirth. 

  • To act as presenter on (a radio, television programme etc.). 

  • To point (a firearm) at something, to hold (a weapon) in a position ready to fire. 

  • To display one's female genitalia in a way that signals to others that one is ready for copulation. Also referred to as lordosis behaviour. 

adj
  • Located in the immediate vicinity. 

  • Attentive; alert; focused. 

  • Neither for or against (used in voting to express abstention) 

  • Relating to now, for the time being; current. 

  • Relating to something a person is referring to in the very context, with a deictic use similar to the demonstrative adjective this. 

noun
  • The current moment or period of time. 

  • A gift, especially one given for birthdays, Christmas, anniversaries, graduations, weddings, or any other special occasions. 

  • The position of a soldier in presenting arms. 

  • The present tense. 

volunteer

verb
  • To offer the services of (someone else) to do something. 

  • To offer, usually unprompted. 

  • To grow without human sowing or intentional cultivation. 

  • To enlist oneself as a volunteer. 

  • To do or offer to do something voluntarily. 

noun
  • A plant that grows spontaneously, without being cultivated on purpose; see volunteer plant in Wikipedia. 

  • A voluntary member of the organized militia of a country, as distinguished from a regular or member of the standing army. 

  • One who enters into military service voluntarily (but who, when in service, is subject to discipline and regulations like other soldiers), as opposed to a conscript. 

  • A native or resident of the American state of Tennessee. 

  • One who enters into, or offers themself for, any service of their own free will, especially when done without pay. 

  • A person who acts out of their own will without a legal obligation, such as a donor. 

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