bulrush vs bullrush

bulrush and bullrush both are nouns.

Word	Noun	Adjective	Verb	Adverb
bulrush	Yes	No	No	No
bullrush	Yes	No	No	No

As nouns, bulrush and bullrush are synonyms defined as:

bulrush and bullrush: tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America

Other synonyms of bulrush include common rush, Juncus effusus, soft rush.

As nouns, bulrush and bullrush are synonyms defined as:

bulrush and bullrush: tall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of down; its long flat leaves are used for making mats and chair seats; of North America, Europe, Asia and North Africa

Other synonyms of bulrush include cat's-tail, nailrod, reed mace, reedmace, Typha latifolia.

bulrush (noun)	bullrush (noun)
tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America	tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America
tall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of down; its long flat leaves are used for making mats and chair seats; of North America, Europe, Asia and North Africa	tall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of down; its long flat leaves are used for making mats and chair seats; of North America, Europe, Asia and North Africa