The term "cross mates" can have different meanings depending on the context in which it is used. Some synonyms for "cross mates" could include "crossbreed companions," "mixed breed pals," "mongrel mates," or "hybrid comrades." If the term is used in a religious or spiritual context, synonyms might include "crucifix allies," "devout friends," or "Jesus associates." In a technology context, "cross connectivity cohorts" or "interfacing buddies" could be used. Additionally, in the context of team-building, "cross-functional teammates," "inclusive colleagues," or "collaborative partners" could be used as synonyms for "cross mates." Overall, the synonym choice depends on the intended meaning and context of the phrase.