Concept:The correct spelling of the word meaning a reason for complaint must follow standard English letter order.Explanation:Option A: 'Greivance' is wrong because the 'i' and 'e' are swapped.Option B: 'Grievanse' is wrong because it has an extra 's' before the final 'e'.Option C: 'Grievence' is wrong because 'e' replaces the correct 'a' after 'v'.Option D: 'Grievance' has the letters in the correct order: g-r-i-e-v-a-n-c-e.It means a real or imagined cause for complaint.Answer:Option D: Grievance