empty talk vs empty words

empty talk and empty words both are nouns.

Word	Noun	Adjective	Verb	Adverb
empty talk	Yes	No	No	No
empty words	Yes	No	No	No

As nouns, empty talk and empty words are synonyms defined as:

Other synonyms of empty talk include hot air, palaver, rhetoric.

empty talk (noun)	empty words (noun)
loud and confused and empty talk	loud and confused and empty talk