sneezeweed yarrow vs sneezewort

sneezeweed yarrow and sneezewort both are nouns.

Word	Noun	Adjective	Verb	Adverb
sneezeweed yarrow	Yes	No	No	No
sneezewort	Yes	No	No	No

As nouns, sneezeweed yarrow and sneezewort are synonyms defined as:

sneezeweed yarrow and sneezewort: Eurasian herb having loose heads of button-shaped white flowers and long grey-green leaves that cause sneezing when powdered

Other synonyms of sneezeweed yarrow include Achillea ptarmica.

sneezeweed yarrow (noun)	sneezewort (noun)
Eurasian herb having loose heads of button-shaped white flowers and long grey-green leaves that cause sneezing when powdered	Eurasian herb having loose heads of button-shaped white flowers and long grey-green leaves that cause sneezing when powdered