cincture vs waistband

cincture and waistband both are nouns.

Word	Noun	Adjective	Verb	Adverb
cincture	Yes	No	No	No
waistband	Yes	No	No	No

As nouns, cincture and waistband are synonyms defined as:

cincture and waistband: a band of material around the waist that strengthens a skirt or trousers

Other synonyms of cincture include girdle, sash, waistcloth.

cincture (noun)	waistband (noun)
a band of material around the waist that strengthens a skirt or trousers	a band of material around the waist that strengthens a skirt or trousers