diaphragm vs pill

diaphragm

noun
  • A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse. 

  • In a speaker, the thin, semi-rigid membrane which vibrates to produce sound. 

  • A thin opaque structure with a central aperture, used to limit the passage of light into a camera or similar device. 

  • Any of various membranes or sheets of muscle or ligament which separate one cavity from another. 

  • A floor slab, metal wall panel, roof panel or the like, having a sufficiently large in-plane shear stiffness and sufficient strength to transmit horizontal forces to resisting systems. 

  • A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber as the difference in the pressure in the chambers varies. 

  • In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm. 

  • A permeable or semipermeable membrane. 

verb
  • To reduce lens aperture using an optical diaphragm. 

  • To act as a diaphragm, for example by vibrating. 

pill

noun
  • Contraceptive medication, usually in the form of a pill to be taken by a woman; an oral contraceptive pill. 

  • A bullet (projectile). 

  • An inlet on the coast; a small tidal pool or bay. 

  • A small, usually round or cylindrical object designed for easy swallowing, usually containing some sort of medication. 

  • A rounded rectangle indicating the tag or category that an item belongs to. 

  • A contemptible, annoying, or unpleasant person. 

  • A comical or entertaining person. 

  • A small piece of any substance, for example a ball of fibres formed on the surface of a textile fabric by rubbing. Colloquially known as a bobble, fuzzball, or lint ball. 

  • Hyponyms: tablet, caplet, capsule, lozenge 

  • Such an object that is of solid constitution (usually of compressed, bonded powder) rather than a capsule (with a shell containing loose powder or liquid). 

  • Something offensive, unpleasant or nauseous which must be accepted or endured. 

verb
  • To peel; to make by removing the skin. 

  • To be peeled; to peel off in flakes. 

  • To medicate with pills. 

  • Of a woven fabric surface, to form small matted balls of fiber. 

  • To form into the shape of a pill. 

  • To persuade or convince someone of something. 

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