say vs speech

say

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

  • 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. 

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. 

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

  • For example; let us assume. 

speech

verb
  • To make a speech; to harangue. 

noun
  • The ability to speak; the faculty of uttering words or articulate sounds and vocalizations to communicate. 

  • A formal session of speaking, especially a long oral message given publicly by one person. 

  • Language used orally, rather than in writing. 

  • An utterance that is quoted; see direct speech, reported speech 

  • Public talk, news, gossip, rumour. 

  • The act of speaking, a certain style of it. 

  • A dialect, vernacular, or (dated) a language. 

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