Hyphens - Scribbr
https://www.scribbr.com/language-rules/hyphens19.01.2016 · Phrasal verbs used as nouns. Phrasal verbs don’t normally require hyphens. However, when they are used as nouns, they either take a hyphen or are combined into a single word. If you’re not sure whether a hyphen is necessary, consult a dictionary.