Crossword Genius

United eliminate medic that hurt back, creating problem filling vacancies (7)

Ross

I believe the answer is:

wordoku

I'm a little stuck... Click here to teach me more about this clue!

'medic that hurt back creating problem filling vacancies' is the definition.
The definition suggests a singular noun which matches the answer.

I can't explain the remainder of the clue.

Can you help me to learn more?

I've seen this clue in The Telegraph.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.