common osier vs hemp willow

common osier and hemp willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
common osier	Yes	No	No	No
hemp willow	Yes	No	No	No

As nouns, common osier and hemp willow are synonyms defined as:

common osier and hemp willow: willow with long flexible twigs used in basketry

Other synonyms of common osier include Salix viminalis, velvet osier.

common osier (noun)	hemp willow (noun)
willow with long flexible twigs used in basketry	willow with long flexible twigs used in basketry