rigger vs rigger brush

rigger and rigger brush both are nouns.

Word	Noun	Adjective	Verb	Adverb
rigger	Yes	No	No	No
rigger brush	Yes	No	No	No

As nouns, rigger and rigger brush are synonyms defined as:

rigger and rigger brush: a long slender pointed sable brush used by artists

rigger (noun)	rigger brush (noun)
a long slender pointed sable brush used by artists	a long slender pointed sable brush used by artists
a sailing vessel with a specified rig
someone who rigs ships
someone who works on an oil rig