To determine which word has the incorrect spelling from the given options, we need to examine each word carefully:
- Allotted: Correct spelling. "Allotted" means to have assigned or allocated a portion of something.
- Generous: Correct spelling. "Generous" means showing a readiness to give more of something, as money or time, than is strictly necessary or expected.
- Deprive: Correct spelling. "Deprive" means to deny (a person or place) the possession or use of something.
- Prenicious: Incorrect spelling. The correct spelling is "Pernicious," which means having a harmful effect, especially in a gradual or subtle way.
Thus, the word with the incorrect spelling is Prenicious.