speech act vs deed

speech act and deed both are nouns.

Word	Noun	Adjective	Verb	Adverb
speech act	Yes	No	No	No
deed	Yes	No	No	No

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

Other hypernyms of speech act include act, human action, human activity.

speech act (noun)	deed (noun)
the use of language to perform some act	something that people do or cause to happen
	a legal document signed and sealed and delivered to effect a transfer of property and to show the legal right to possess it