Wildcat strike and Work to rule

Wildcat strike noun - A strike undertaken by workers without approval from the officials of their union.

Work to rule and wildcat strike are semantically related. In some cases you can use "Work to rule" instead a noun phrase "Wildcat strike".

Work to rule noun - A job action in which workers cause a slowdown by doing only the minimum amount required by the rules of the workplace.

Wildcat strike and work to rule are semantically related. You can use "Wildcat strike" instead a noun phrase "Work to rule".