Leotards and Unitard

Leotards 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.

Unitard is a synonym for leotards. In some cases you can use "Unitard" instead a noun "Leotards".

Unitard noun - A tight-fitting garment of stretchy material that covers the body from the shoulders to the thighs (and may have long sleeves or legs reaching down to the ankles); worn by ballet dancers and acrobats for practice or performance.

Leotards is a synonym for unitard. Sometimes you can replace term "Leotards" with "Unitard", this nouns are similar.