What's the difference between as and who?

As


Definition:

  • (adv. & conj.) Denoting equality or likeness in kind, degree, or manner; like; similar to; in the same manner with or in which; in accordance with; in proportion to; to the extent or degree in which or to which; equally; no less than; as, ye shall be as gods, knowing good and evil; you will reap as you sow; do as you are bidden.
  • (adv. & conj.) In the idea, character, or condition of, -- limiting the view to certain attributes or relations; as, virtue considered as virtue; this actor will appear as Hamlet.
  • (adv. & conj.) While; during or at the same time that; when; as, he trembled as he spoke.
  • (adv. & conj.) Because; since; it being the case that.
  • (adv. & conj.) Expressing concession. (Often approaching though in meaning).
  • (adv. & conj.) That, introducing or expressing a result or consequence, after the correlatives so and such.
  • (adv. & conj.) As if; as though.
  • (adv. & conj.) For instance; by way of example; thus; -- used to introduce illustrative phrases, sentences, or citations.
  • (adv. & conj.) Than.
  • (adv. & conj.) Expressing a wish.
  • (n.) An ace.
  • (n.) A Roman weight, answering to the libra or pound, equal to nearly eleven ounces Troy weight. It was divided into twelve ounces.
  • (n.) A Roman copper coin, originally of a pound weight (12 oz.); but reduced, after the first Punic war, to two ounces; in the second Punic war, to one ounce; and afterwards to half an ounce.

Example Sentences:

Who


Definition:

  • (object.) Originally, an interrogative pronoun, later, a relative pronoun also; -- used always substantively, and either as singular or plural. See the Note under What, pron., 1. As interrogative pronouns, who and whom ask the question: What or which person or persons? Who and whom, as relative pronouns (in the sense of that), are properly used of persons (corresponding to which, as applied to things), but are sometimes, less properly and now rarely, used of animals, plants, etc. Who and whom, as compound relatives, are also used especially of persons, meaning the person that; the persons that; the one that; whosoever.
  • (pron.) One; any; one.

Example Sentences: