spread out vs butterfly

spread out is not a noun while butterfly is a noun.

Word	Noun	Adjective	Verb	Adverb
spread out	No	No	Yes	No
butterfly	Yes	No	Yes	No

As verbs, butterfly is a hyponym of spread out; that is, butterfly is a word with a more specific, narrower meaning than spread out:

Other hyponyms of spread out include divaricate, exfoliate, grass, uncross, splay.

spread out (noun)	butterfly (noun)
	a swimming stroke in which the arms are thrown forward together out of the water while the feet kick up and down
	diurnal insect typically having a slender body with knobbed antennae and broad colorful wings

spread out (verb)	butterfly (verb)
set out or stretch in a line, succession, or series	talk or behave amorously, without serious intentions
spread out or open from a closed or folded state	cut and spread open, as in preparation for cooking
move outward	flutter like a butterfly
extend in one or more directions
move away from each other
turn outward
strew or distribute over an area