NZP is a commonly used acronym that stands for "National Zoological Park." However, there are several synonyms that could be used in place of this term. For example, some people might refer to it as a "wildlife sanctuary" or a "zoo." Others might refer to it as an "animal park" or a "zoological garden." There are also more specific synonyms that might be appropriate depending on the context, such as "aquarium" or "aviary." Ultimately, the best synonym for NZP will depend on the specific situation and the audience that is being addressed.