There are several synonyms for the phrase "bow the head." Some include "lower the head," "bend the head," "inclining the head," "droop the head," "nod the head," and "submit the head." Each of these phrases conveys a similar physical action of lowering or tilting the head in a downward manner, often as a sign of respect, submission, or sorrow. These synonyms can be used interchangeably in writing and conversation, depending on the context and tone of the communication. By using these variations of "bow the head," one can add variety and depth to their writing or speech.