capability vs. ability

capability vs. ability: What's the difference?

Capability and ability have similar meanings, but capability is often associated with a particular competence or efficiency at a specific task. Ability is more basic, and often means the capacity to do something, regardless of quality.

noun

plural

capabilities 
  1. the quality of being capable; capacity; ability.

    His capability was unquestionable.

  2. the ability to undergo or be affected by a given treatment or action.

    the capability of glass in resisting heat.

  3. Usually capabilities. qualities, abilities, features, etc., that can be used or developed; potential.

    Though dilapidated, the house has great capabilities.

noun

plural

abilities 
  1. power or capacity to do or act physically, mentally, legally, morally, financially, etc.

  2. competence in an activity or occupation because of one's skill, training, or other qualification.

    the ability to sing well.

  3. abilities, talents; special skills or aptitudes.

    Composing music is beyond his abilities.