Blade vs Knife vs Knife could be identified

When to use each in English, with meaning, register, and examples.

Blade

Top 2,000 (common)C1noun

Knife

Top 2,000 (common)A2noun

Knife could be identified

Beyond 10,000 (less common)
 BladeKnifeKnife could be identified
Pronunciation🇬🇧 /["/bleɪd/"]/🇺🇸 /["/bleɪd/"]/🇬🇧 /["/naɪf/","/naɪvz/"]/🇺🇸 /["/naɪf/","/naɪvz/"]/🇬🇧 //nʌɪf kəd bi aɪˈdɛntɪfaɪd//🇺🇸 //naɪf kəd bi aɪˈdɛnɪfaɪd//
MeaningThe thin, sharp edge of a knife, sword, or similar tool.A tool with a sharp blade used for cutting.A knife that can be recognized or named.
ExampleThe machine comes with a plastic guard over the blade to protect the operator.She used a knife to cut the vegetables more easily.The detective stated that the knife could be identified through fingerprints.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Beyond 10,000 (less common)
CEFR levelC1A2-
Part of speechnounnoun
Collocationssharp, blunt, dull, sharpen, draw, sheathe, sharp, blunt, dull, sharpen, draw, sheatheblunt, dull, sharp, set, pick up, lay down, put down, cut, slice, clatter, blade, handle, block, with a/​the knife, the blade of a knife, the handle of a knife, go under the surgeon’s knifesharp knife, kitchen knife, identifying features
Antonymshandle, hiltsword, blunt weaponmend, heal, repair
Common mistakesConfused with 'blades' as in 'blades of grass'., Using 'blade' to refer to the entire knife instead of just the sharp part., Saying 'blade of the knife' instead of 'blade of a knife' (missing the article).Using 'knifes' as the plural form instead of 'knives'., Confusing 'knife' with 'cutlery' — cutlery refers to a set of utensils., Mixing up the usage with kitchen knives versus utility knives.Confusing 'could' with 'should' or 'would', Incorrectly using 'knife' in plural form without context, Misplacing the phrase in a sentence structure
Usage notesUse 'blade' when referring to cutting tools or weapons. It's appropriate in both casual and formal contexts, but avoid when speaking about non-cutting objects.Use 'knife' in both formal and informal contexts when referring to the cutting tool. Be careful not to confuse 'knife' with other utensils like 'fork' or 'spoon'.This phrase is often used in discussions about identifying or categorizing objects, particularly in crime or safety contexts. It’s not used in casual settings.

See it in real clips

Blade
Knife
Knife could be identified

Frequently asked questions: Blade vs Knife vs Knife could be identified

What's the difference between Blade, Knife, and Knife could be identified?

Blade: The thin, sharp edge of a knife, sword, or similar tool. Knife: A tool with a sharp blade used for cutting. Knife could be identified: A knife that can be recognized or named.

Which is more advanced: Blade, Knife, and Knife could be identified?

Blade is the highest level, at C1, on the CEFR scale.

Can you show an example of each?

Blade: The machine comes with a plastic guard over the blade to protect the operator. Knife: She used a knife to cut the vegetables more easily. Knife could be identified: The detective stated that the knife could be identified through fingerprints.

Can I use Blade, Knife, and Knife could be identified interchangeably?

Not always. Blade, Knife, and Knife could be identified are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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