To unscramble the word 'acanthoid,' follow these steps: 1. Write down the letters: A, C, A, N, T, H, O, I, D. 2. Look for common prefixes or suffixes. In this case, 'acanth-' could be a prefix. 3. Rearrange the letters to form smaller words. For example, start with 'can,' 'cat,' 'hat,' 'aid,' etc. 4. Combine these smaller words to see if they can form a larger word. 5. Use online tools or word unscramblers for additional help if needed.