say vs that

say

adv
  • For example; let us assume. 

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

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. 

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

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. 

that

adv
  • To a given extent or degree. 

  • To such an extent; so. (in positive constructions). 

  • To a great extent or degree; very, particularly (in negative constructions). 

noun
  • Something being indicated that is there; one of those. 

conj
  • Introducing a subordinate clause expressing a reason or cause: because, in that. 

  • Introducing — especially, but not exclusively, with an antecedent like so or such — a subordinate clause expressing a result, consequence, or effect. 

  • Introducing a subordinate clause modifying an adverb. 

  • Introducing a clause which is the subject or object of a verb (such as one involving reported speech), or which is a complement to a previous statement. 

  • Introducing an exclamation expressing a strong emotion such as sadness or surprise. 

det
  • The (thing, person, idea, etc) indicated or understood from context, especially if more remote physically, temporally or mentally than one designated as "this", or if expressing distinction. 

pron
  • The known (thing); used to refer to something just said. 

  • That's my car over there. 

  • The thing, person, idea, quality, event, action, or time indicated or understood from context, especially if more remote geographically, temporally or mentally than one designated as "this", or if expressing distinction. 

  • The aforementioned quality or proposition; used to emphatically affirm or deny a previous statement or question. 

  • (plural that) Which, who; representing a subject, direct object, indirect object, or object of a preposition. 

  • Used in place of relative adverbs such as where or when; often omitted. 

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