Explanation:

- Option 1: Abhorrent

- Meaning: Inspiring disgust and loathing; repugnant.

- Spelling: Correctly spelled.

- Option 2: Abseil

- Meaning: To descend a rock face or other near vertical surface by using a rope coiled around the body and secured at a higher point.

- Spelling: Correctly spelled.

- Option 3: Acede

- Correct Spelling: Accede.

- Meaning: To agree to a demand, request, or treaty.

- Incorrectly spelled.

- Correct Answer

- Option 4: Abscess

- Meaning: A swollen area within body tissue, containing an accumulation of pus.

- Spelling: Correctly spelled.

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