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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
could of (have) I should of finished it by now. Commonly Confused Words
'Could've' + irregular past tense verb We could've ate the chicken. Possible Typo
coun't → couldn't, count They coun't come. Grammar
counsel (consul) general Archer Blood, the counsel general in Dacca. Commonly Confused Words
counter part (counterpart) The secretary of defense met with his counter parts in Asia to discuss the nuclear crisis. Grammar
Collocation: countless of There are countless of occurrences. Collocations
couples of times (couple of times) I tried it a couples of times. Grammar
Collocation: cover by/in The Mountains are covered by snow. Collocations
COVID-19 Covid is a contagious disease caused by SARS-CoV-2. Grammar
COVID-19 Covid 19 is a contagious disease caused by SARS-CoV-2. Grammar
LanguageTool 6.7-SNAPSHOT (2025-07-08 22:33:10 +0200)