energy vs power

energy

noun
  • The external actions and influences resulting from an entity’s internal nature (ousia) and by which it is made manifest, as opposed to that internal nature itself; the aspect of an entity that can affect the wider world and be apprehended by other beings. 

  • The capacity to do work. 

  • An intangible, modifiable force (often characterized as either 'positive' or 'negative') believed in some New Age religions to emanate from a person, place or thing and which is (or can be) preserved and transferred in human interactions; shared mood or group habit; a vibe, a feeling, an impression. (Compare aura.) 

  • A measure of how many actions a player or unit can take; in the fantasy genre often called magic points or mana. 

  • A quantity that denotes the ability to do work and is measured in a unit dimensioned in mass × distance²/time² (ML²/T²) or the equivalent. 

  • The impetus behind all motion and all activity. 

power

noun
  • The ability to affect or influence. 

  • Physical force or strength. 

  • Control or coercion, particularly legal or political (jurisdiction). 

  • The people in charge of legal or political power, the government. 

  • A measure of the rate of doing work or transferring energy. 

  • The ability to do or undergo something. 

  • An influential nation, company, or other such body. 

  • Any of the elementary forms or parts of machines: three primary (the lever, inclined plane, and pulley) and three secondary (the wheel-and-axle, wedge, and screw). 

  • In Christian angelology, an intermediate level of angels, ranked above archangels, but exact position varies by classification scheme. 

  • A measure of the effectiveness that a force producing a physical effect has over time. If linear, the quotient of: (force multiplied by the displacement of or in an object) ÷ time. If rotational, the quotient of: (force multiplied by the angle of displacement) ÷ time. 

  • The strength by which a lens or mirror magnifies an optical image. 

  • The probability that a statistical test will reject the null hypothesis when the alternative hypothesis is true. 

  • A product of equal factors (and generalizations of this notion): xⁿ, read as "x to the power of n" or the like, is called a power and denotes the product x⨯x⨯⋯⨯x, where x appears n times in the product; x is called the base and n the exponent. 

  • Cardinality. 

  • The ability to coerce, influence, or control. 

  • Electricity or a supply of electricity. 

adj
  • Impressive. 

verb
  • To provide power for (a mechanical or electronic device). 

  • To hit or kick something forcefully. 

  • To enable or provide the impetus for. 

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