secure vs tack

secure

verb
  • To put beyond hazard of losing or of not receiving; to make certain; to assure; frequently with against or from, or formerly with of. 

  • To make fast; to close or confine effectually; to render incapable of getting loose or escaping. 

  • To get possession of; to make oneself secure of; to acquire certainly. 

  • To make safe; to relieve from apprehensions of, or exposure to, danger; to guard; to protect. 

adj
  • Free from the danger of theft; safe. 

  • Certain to be achieved or gained; assured. 

  • Free from attack or danger; protected. 

  • Free from the risk of eavesdropping, interception or discovery; secret. 

  • Confident in opinion; not entertaining, or not having reason to entertain, doubt; certain; sure; commonly used with of. 

  • Free from anxiety or doubt; unafraid. 

  • Free from the risk of financial loss; reliable. 

  • Firm and not likely to fail; stable. 

tack

verb
  • to tack (something) onto (something) 

  • To nail with a tack (small nail with a flat head). 

  • To maneuver a sailing vessel so that its bow turns through the wind, i.e. the wind changes from one side of the vessel to the other. 

  • To add something as an extra item. 

  • To sew/stitch with a tack (loose seam used to temporarily fasten pieces of cloth). 

  • To place the tack on a horse; often paired with "up". 

noun
  • The distance a sailing vessel runs between these maneuvers when working to windward; a board. 

  • A rope used to hold in place the foremost lower corners of the courses when the vessel is close-hauled; also, a rope employed to pull the lower corner of a studding sail to the boom. 

  • Any of the various equipment and accessories worn by horses in the course of their use as domesticated animals. 

  • The maneuver by which a sailing vessel turns its bow through the wind so that the wind changes from one side to the other. 

  • A contract by which the use of a thing is set, or let, for hire; a lease. 

  • The stickiness of a compound, related to its cohesive and adhesive properties. 

  • That which is tacky; something cheap and gaudy. 

  • A small nail with a flat head. 

  • A stain; a tache. 

  • That which is attached; a supplement; an appendix. 

  • A direction or course of action, especially a new one. 

  • A course or heading that enables a sailing vessel to head upwind. 

  • Food generally; fare, especially of the bread kind. 

  • A loose seam used to temporarily fasten pieces of cloth. 

  • A thumbtack. 

  • The lower corner on the leading edge of a sail relative to the direction of the wind. 

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