The phrase "are friends with" is commonly used to describe a close relationship between two individuals. However, there are a number of synonyms that could also be used in its place. Some options include "befriend," "bond with," "connect with," "get along with," "socialize with," "hang out with," "pal around with," "team up with," and "share a camaraderie with." Each of these phrases conveys a slightly different nuance of the relationship, but they all emphasize a bond of trust and mutual support. Whether it is in personal or professional settings, these synonyms offer valuable alternatives to "are friends with".