There are various synonyms for the phrase "beg for", each conveying a slightly different nuance of the act of pleading. To implore suggests a desperate or urgent request, while to beseech emphasizes a tone of earnest or emotional appeal. Plead implies a humbling or subservient request, and to entreat connotes a polite or formal appeal. To supplicate evokes a sense of humility or religious connotation, while to petition refers to a more formal request made to an authority figure or government. Finally, to grovel suggests a humiliating or abject form of begging, while to plead with implies a sense of persistent or emotional pleading.