ease vs flap

ease

verb
  • To move (something) slowly and carefully. 

  • To free (something) from pain, worry, agitation, etc. 

  • To reduce the difficulty of (something). 

  • To proceed with little effort. 

  • To alleviate, assuage or lessen (pain). 

  • To loosen or slacken the tension on a line. 

  • To lessen in intensity. 

  • To give respite to (someone). 

noun
  • Additional space provided to allow greater movement. 

  • Release from constraint, obligation, or a constrained position. 

  • Followed by of or from: release from or reduction of pain, hardship, or annoyance. 

  • Freedom from pain, hardship, and annoyance, sometimes (derogatory, archaic) idleness, sloth. 

  • Ability, the means to do something 

  • Freedom from difficulty. 

  • Skill, dexterity, facility. 

  • Freedom from worry and concern; peace; sometimes (derogatory, archaic) indifference. 

  • Freedom from effort, leisure, rest. 

  • Freedom from financial effort or worry; affluence. 

  • Freedom from embarrassment or awkwardness; grace. 

flap

verb
  • To move (something broad and loose) up and down. 

  • To move loosely back and forth. 

  • Of a resource or network destination: to be advertised as being available and then unavailable (or available by different routes) in rapid succession. 

noun
  • A side fin of a ray. 

  • A consonant sound made by a single muscle contraction, such as the sound /ɾ/ in the standard American English pronunciation of body. 

  • The motion of anything broad and loose, or a sound or stroke made with it. 

  • Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved. 

  • A piece of tissue incompletely detached from the body, as an intermediate stage of plastic surgery. 

  • A hinged leaf. 

  • The labia, the vulva. 

  • A hinged surface on the trailing edge of the wings of an aeroplane, used to increase lift and drag. 

  • A controversy, scandal, stir, or upset. 

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