Guest work is a term used to describe a type of employment in which an individual is hired to perform a specific job for a limited period of time. The term 'VERSE' is often used to refer to a type of writing, such as poetry or song lyrics, and is typically five letters long. Therefore, the crossword solution for the term 'guest work' with the clue 'VERSE' is likely referring to the concept of 'freelance writing'. Freelance writing is a type of guest work in which an individual is hired to write a specific piece of writing, such as a poem or song lyrics, for a limited period of time.