Explanation:

- Option 1: Homage - This word is spelled correctly. It refers to special honor or respect shown publicly.

- Option 2: Hinderence - This is the incorrectly spelled word. The correct spelling is "hindrance," which means an obstacle or something that provides resistance.

- Option 3: Humour - This is the correct British spelling of the word "humor," which refers to the quality of being amusing or comical.

- Option 4: Hoarse - This word is spelled correctly. It describes a rough or harsh-sounding voice, often due to a sore throat.

Option 2 is indeed the word with the incorrect spelling.