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Browse Rules: 6,149 matches

These are some of the errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online.

Description Example Category
transitive verb 'occasion' is very formal The concert occasioned a riot. Style
Wrong preposition: 'obvious for' (obvious to) It's obvious for me. Collocations
obtain (get) We need to obtain visas. Plain English
Objective-C This app is programmed in objective c. Proper Nouns
its vs. it's New Robot Reproduces on It's Own. Possible Typo
O Connor (O'Connor) His name is O conor. Typography
space in 'o´clock' They meet at 2 o' clock. Punctuation
nut (not) I'm nut sure. Possible Typo
numerous different (numerous) I will read many different books Redundant Phrases
number or (of) This tool will help you to reduce the number or errors. Commonly Confused Words
LanguageTool 6.8-SNAPSHOT (2026-01-15 22:33:08 +0100)