Trade unionism and Trade union movement

Trade unionism noun - The system or principles and theory of labor unions.

Trade union movement and trade unionism are semantically related. In some cases you can use "Trade union movement" instead a noun phrase "Trade unionism".

Trade union movement noun - An organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement.

Trade unionism and trade union movement are semantically related. Sometimes you can replace phrase "Trade unionism" with "Trade union movement", this phrases are similar.