cummerbund vs girdle

cummerbund and girdle both are nouns.

Word	Noun	Adjective	Verb	Adverb
cummerbund	Yes	No	No	No
girdle	Yes	No	Yes	No

As nouns, girdle is a hypernym of cummerbund; that is, girdle is a word with a broader meaning than cummerbund:

cummerbund: a broad pleated sash worn as formal dress with a tuxedo
girdle: a band of material around the waist that strengthens a skirt or trousers

Other hypernyms of cummerbund include cincture, sash, waistband, waistcloth.

cummerbund (noun)	girdle (noun)
a broad pleated sash worn as formal dress with a tuxedo	a woman's close-fitting foundation garment
	a band of material around the waist that strengthens a skirt or trousers
	an encircling or ringlike structure

cummerbund (verb)	girdle (verb)
	put a girdle on or around
	cut a girdle around so as to kill by interrupting the circulation of water and nutrients