noseband vs nosepiece

noseband and nosepiece both are nouns.

Word	Noun	Adjective	Verb	Adverb
noseband	Yes	No	No	No
nosepiece	Yes	No	No	No

As nouns, noseband and nosepiece are synonyms defined as:

noseband and nosepiece: a strap that is the part of a bridle that goes over the animal's nose

noseband (noun)	nosepiece (noun)
a strap that is the part of a bridle that goes over the animal's nose	the link between two lenses; rests on the nose
	armor plate that protects the nose
	a strap that is the part of a bridle that goes over the animal's nose