"Bear in with" is a phrase commonly used to describe the action of enduring a difficult or challenging situation. However, there are several synonyms that can be used interchangeably with this phrase. One alternative is "put up with", which implies patiently tolerating something unpleasant. Another synonym is "grin and bear it", suggesting a stoic acceptance of a situation. A third option is "accept", indicating a willingness to recognize and adapt to an unfavorable circumstance. Additionally, the phrase "persevere through" can be employed to convey the idea of persisting despite adversity. Overall, these synonyms emphasize the importance of resilience and fortitude in facing life's trials.