as vs say

as

adv
  • Considered to be, in relation to something else; in the relation (specified). 

  • To such an extent or degree; to the same extent or degree. 

  • Used to intensify an adjective; very much; extremely 

conj
  • used before a preposition to clarify that the prepositional phrase restricts the meaning of the sentence; specifically. 

  • At the same instant or moment that: when. 

  • Being that, considering that, because, since. 

  • Varying through time in the same proportion that. 

  • In the (same) way or manner that; to the (same) degree that. 

  • Functioning as a relative conjunction, and sometimes like a relative pronoun: that, which, who. (See usage notes.) 

  • At the same time that, during the same time when: while. 

  • Expressing concession: though. 

  • Used after so or as to introduce a comparison. 

  • Used to introduce a result: with the result that it is. 

noun
  • Any of several coins of Rome, coined in bronze or later copper; or the equivalent value. 

  • A libra. 

prep
  • Introducing a basis of comparison, with an object in the objective case. 

  • In the role of. 

  • by way of 

say

adv
  • For example; let us assume. 

  • Pick a color you think they'd like, say, peach. 

verb
  • Suppose, assume; used to mark an example, supposition or hypothesis. 

  • To tell, either verbally or in writing. 

  • To indicate in a written form. 

  • To have a common expression; used in singular passive voice or plural active voice to indicate a rumor or well-known fact. 

  • To recite. 

  • To pronounce. 

  • To try; to assay. 

  • To bet as a wager on an outcome; by extension, used to express belief in an outcome by the speaker. 

  • To speak; to express an opinion; to make answer; to reply. 

intj
  • Used to gain someone's attention before making an inquiry or suggestion 

noun
  • Tried quality; temper; proof. 

  • A chance to speak; the right or power to influence or make a decision. 

  • Essay; trial; attempt. 

  • Trial by sample; assay; specimen. 

  • A strainer for milk. 

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