ease vs qualify

ease

verb
  • To reduce the difficulty of (something). 

  • To move (something) slowly and carefully. 

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

  • 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. 

qualify

verb
  • To modify, limit, restrict or moderate something; especially to add conditions or requirements for an assertion to be true. 

  • To certify or license someone for something. 

  • To throw and catch each object at least twice. 

  • To compete successfully in some stage of a competition and become eligible for the next stage. 

  • To make someone, or to become competent or eligible for some position or task. 

  • To give individual quality to; to modulate; to vary; to regulate. 

  • To describe or characterize something by listing its qualities. 

noun
  • An instance of throwing and catching each prop at least twice. 

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