bullnose vs bullnosed plane

bullnose and bullnosed plane both are nouns.

Word	Noun	Adjective	Verb	Adverb
bullnose	Yes	No	No	No
bullnosed plane	Yes	No	No	No

As nouns, bullnose and bullnosed plane are synonyms defined as:

bullnose and bullnosed plane: a small carpenter's plane with the cutting edge near the front

bullnose (noun)	bullnosed plane (noun)
a small carpenter's plane with the cutting edge near the front	a small carpenter's plane with the cutting edge near the front