speech vs conclusion

speech and conclusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
speech	Yes	No	No	No
conclusion	Yes	No	No	No

speech (noun)	conclusion (noun)
the mental faculty or power of vocal communication	the act of ending something
(language) communication by word of mouth	the act of making up your mind about something
the act of delivering a formal spoken communication to an audience	a position or opinion or judgment reached after consideration
words making up the dialogue of a play	an intuitive assumption
a lengthy rebuke	the last section of a communication
the exchange of spoken words	the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism)
your characteristic style or manner of expressing yourself orally	a final settlement
something spoken	event whose occurrence ends something
	the temporal end; the concluding time