choice of words vs phrasing

choice of words and phrasing both are nouns.

Word	Noun	Adjective	Verb	Adverb
choice of words	Yes	No	No	No
phrasing	Yes	No	No	No

As nouns, choice of words and phrasing are synonyms defined as:

choice of words and phrasing: the manner in which something is expressed in words

Other synonyms of choice of words include diction, phraseology, verbiage, wording.

choice of words (noun)	phrasing (noun)
the manner in which something is expressed in words	the grouping of musical phrases in a melodic line
	the manner in which something is expressed in words