leotards vs tights

leotards and tights both are nouns.

Word	Noun	Adjective	Verb	Adverb
leotards	Yes	No	No	No
tights	Yes	No	No	No

As nouns, leotards and tights are synonyms defined as:

leotards and tights: skintight knit hose covering the body from the waist to the feet worn by acrobats and dancers and as stockings by women and girls

leotards (noun)	tights (noun)
skintight knit hose covering the body from the waist to the feet worn by acrobats and dancers and as stockings by women and girls	skintight knit hose covering the body from the waist to the feet worn by acrobats and dancers and as stockings by women and girls