burr vs bur

burr and bur both are nouns.

Word	Noun	Adjective	Verb	Adverb
burr	Yes	No	Yes	No
bur	Yes	No	Yes	No

As nouns, burr and bur are synonyms defined as:

As nouns, burr and bur are synonyms defined as:

As verbs, burr and bur are synonyms defined as:

burr (noun)	bur (noun)
rough projection left on a workpiece after drilling or cutting	small bit used in dentistry or surgery
rotary file for smoothing rough edges left on a workpiece	seed vessel having hooks or prickles
small bit used in dentistry or surgery
seed vessel having hooks or prickles

burr (verb)	bur (verb)
remove the burrs from	remove the burrs from