Tights and Unitard

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.

Unitard and tights are semantically related. In some cases you can use "Unitard" instead a noun "Tights".

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.

Tights and unitard are semantically related. You can use "Tights" instead a noun "Unitard".