banding vs neckband

banding and neckband both are nouns.

Word	Noun	Adjective	Verb	Adverb
banding	Yes	No	No	No
neckband	Yes	No	No	No

As nouns, neckband is a hyponym of banding; that is, neckband is a word with a more specific, narrower meaning than banding:

banding: an adornment consisting of a strip of a contrasting color or material
neckband: a band around the collar of a garment

Other hyponyms of banding include cigar band, hatband, pinstripe, cap band.

banding (noun)	neckband (noun)
an adornment consisting of a strip of a contrasting color or material	a band that fits around the neck and is usually folded over
a stripe or stripes of contrasting color	necklace that fits tightly around a woman's neck
	a band around the collar of a garment