phrasing vs grouping

phrasing and grouping both are nouns.

Word	Noun	Adjective	Verb	Adverb
phrasing	Yes	No	No	No
grouping	Yes	No	No	No

As nouns, grouping is a hypernym of phrasing; that is, grouping is a word with a broader meaning than phrasing:

phrasing (noun)	grouping (noun)
the grouping of musical phrases in a melodic line	any number of entities (members) considered as a unit
the manner in which something is expressed in words	the activity of putting things together in groups
	a system for classifying things into groups