There are many synonyms for the phrase "playing crowd." Some alternate terms include an audience, spectators, fans, supporters, enthusiasts, and onlookers. These words are often used to describe the individuals who attend sporting events, live theater performances, musical concerts, or any other type of entertainment where people gather to watch and enjoy a show. Additionally, other phrases that can be used to refer to a playing crowd might include a group of participants, players, or performers. Ultimately, the selection of words used to describe a playing crowd can depend on the context of the situation and the specific type of performance or event being held.