Apnea and Sit-down

Apnea noun - Transient cessation of respiration.

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

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

Apnea and sit-down are semantically related. Sometimes you can use "Apnea" instead a noun phrase "Sit-down".