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Browse Rules: 6,146 matches

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

Description Example Category
long island (Long Island) I was born in long island Upper/Lowercase
long island (Long Island) Long island is an island near New York City. Upper/Lowercase
the dutch (Dutch) The dutch people are the tallest in the world. Upper/Lowercase
the polish (polish) The polish government. Upper/Lowercase
the polish (polish) He's learning polish. Upper/Lowercase
New guinea (New Guinea) New guinea is a large island separated by the shallow Torres Strait from the rest of the Australian continent. Upper/Lowercase
proper noun 'Japan' I lives in japan. Upper/Lowercase
proper noun 'Turkey' (country) I'm from turkey. Upper/Lowercase
royal mail (Royal Mail) The royal mail is a postal service and courier company in the United Kingdom. Upper/Lowercase
royal air force (Royal Air Force) The royal air force is the United Kingdom's aerial warfare force Upper/Lowercase
LanguageTool 6.7-SNAPSHOT (2025-08-29 22:33:10 +0200)