speech vs speaking

speech and speaking both are nouns.

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

As nouns, speaking is a hyponym of speech; that is, speaking is a word with a more specific, narrower meaning than speech:

As nouns, speaking is a hypernym of speech; that is, speaking is a word with a broader meaning than speech:

Other hypernyms of speech include speech production.

speech (noun)	speaking (noun)
the mental faculty or power of vocal communication	delivering an address to a public audience
(language) communication by word of mouth	the utterance of intelligible speech
the act of delivering a formal spoken communication to an audience
words making up the dialogue of a play
a lengthy rebuke
the exchange of spoken words
your characteristic style or manner of expressing yourself orally
something spoken

speech (adjective)	speaking (adjective)
	capable of or involving speech or speaking
	capable of speech