keynote vs keynote speech

keynote and keynote speech both are nouns.

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

keynote (noun)	keynote speech (noun)
a fundamental or central idea	a speech setting forth the keynote
(music) the first note of a diatonic scale
the principal theme in a speech or literary work

keynote (verb)	keynote speech (verb)
set the keynote of
give the keynote address to (an audience)