goat willow vs pussy willow

goat willow and pussy willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
goat willow	Yes	No	No	No
pussy willow	Yes	No	No	No

As nouns, goat willow and pussy willow are synonyms defined as:

goat willow and pussy willow: much-branched Old World willow having large catkins and relatively large broad leaves

Other synonyms of goat willow include florist's willow, Salix caprea.

goat willow (noun)	pussy willow (noun)
much-branched Old World willow having large catkins and relatively large broad leaves	small willow of eastern North America having greyish leaves and silky catkins that come before the leaves
	much-branched Old World willow having large catkins and relatively large broad leaves