"Shell out" is a commonly used phrasal verb that means to pay or hand over money. However, there are several synonyms for this phrase that one could use to add variety to their vocabulary. For example, instead of saying "shell out," one could say "pony up," "fork over," "dish out," "cough up," "splurge," "pay up," or "part with." These alternative phrases all convey the same meaning as "shell out" but can add a bit of personality and interest to one's language. Using a variety of synonyms can also help to prevent repetition and keep conversations and writing engaging.