Finding the Incorrectly Spelt English Word

The question asks us to identify the word that is spelt incorrectly among the given options. Let's examine each word:

1. Vicious: This word means deliberately cruel or violent. Its spelling is correct.
2. Callous: This word means feeling or showing no regard for others. Its spelling is correct.
3. Hienous: Let's consider this word carefully. Is this the standard spelling?
4. Vicarious: This word means experienced in the imagination through the feelings or actions of another person. Its spelling is correct.

Comparing the options, the word "Hienous" stands out as potentially incorrect. The correct spelling of the word meaning utterly odious or wicked is "Heinous".

Therefore, "Hienous" is the word that is spelt incorrectly.

Analysis of the Words

Based on the analysis, the word "Hienous" is indeed incorrectly spelt. The correct spelling is "Heinous".

Revision Table: Common Spelling Errors

Additional Information on English Spelling

English spelling can be challenging due to its history, borrowing words from many languages, and inconsistent rules. Paying attention to common patterns and frequently misspelled words can help improve accuracy. Learning root words, prefixes, and suffixes can also provide clues about spelling and meaning.

For instance, recognizing common vowel combinations (like 'ei' vs 'ie') is crucial. The general rule "i before e, except after c" has many exceptions, making direct memorization of tricky words like "heinous" necessary.