Down and Sit-down

Down noun - A soft airy substance or covering.

Sit-down and down are semantically related In some cases you can use "Sit-down" instead a noun "Down".

Nearby Word: downed

Sit-down noun - A strike in which workers refuse to leave the workplace until a settlement is reached.

Down and sit-down are semantically related in halt topic. Sometimes you can use "Down" instead a noun phrase "Sit-down", if it concerns topics such as stoppage.