There are many synonyms for the phrase "go to church" that can be used to add variety to your writing or speech. Some alternatives include "attend church," "worship at church," "participate in religious services," "visit a place of worship," or "go to Sunday service." Other phrases that convey a similar meaning include "go to Mass," "attend a prayer meeting," "be present at a religious gathering," or "observe religious rituals." Whatever phrase you choose, the important thing is to communicate the idea of attending a religious service or gathering with fellow believers to engage in spiritual practice and community.