The question asks us to select the word that is spelt incorrectly among the given options. To answer this, we need to examine each word and check its standard English spelling.
Examining Each Option
Option 1: Duration - This word refers to the length of time that something lasts. The spelling 'Duration' is correct.
Option 2: Condition - This word refers to the state of something, or a requirement that must be met. The spelling 'Condition' is correct.
Option 3: Convertion - Let's consider the base verb 'convert'. The noun form derived from 'convert' is related to changing from one form or state to another. The standard spelling for this noun is 'conversion', not 'convertion'.
Option 4: Addition - This word refers to the act of adding something, or a thing added. The spelling 'Addition' is correct.
Based on the examination, the word 'Convertion' is misspelt. The correct spelling is 'Conversion'.
Detailed Analysis of the Spelling
Many English nouns are formed from verbs by adding suffixes. While some verbs ending in '-vert' or '-vers' form nouns ending in '-vertion' or '-version', the word derived from 'convert' follows the '-version' pattern.
Let's compare with similar words:
Verb
Noun (Correct Spelling)
Convert
Conversion
Divert
Diversion
Invert
Inversion
Revert
Reversion
As seen in the table, the correct suffix for the noun form of 'convert' is '-sion', resulting in 'conversion'. Therefore, 'Convertion' is indeed incorrectly spelt.
Identifying the Incorrect Word
Comparing the given options:
Duration - Correct
Condition - Correct
Convertion - Incorrect
Addition - Correct
The word that is INCORRECTLY spelt is 'Convertion'.
Understanding common suffixes like -tion, -sion, and -ssion can help identify correct spellings based on the root word and pronunciation, although there are exceptions and specific rules.
Additional Information: Tips for Spotting Misspellings
Improving your spelling involves practice and attention to detail. Here are a few tips:
Read widely: Exposure to correctly spelt words in books, articles, and reliable sources helps reinforce correct spellings.
Learn common patterns: Pay attention to common prefixes and suffixes and how they affect the spelling of the root word.
Use a dictionary: When in doubt, look up the word in a dictionary (online or physical) to confirm its spelling and meaning.
Break down words: For longer words, try breaking them into smaller parts or syllables.
Practice writing: Regularly writing helps solidify spelling knowledge.
Focus on frequently misspelt words: Some words are commonly misspelt; make an effort to learn their correct forms.
In this specific question, the incorrect spelling 'Convertion' is a common error for the word 'Conversion'.