As vs Like vs Similarly

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

As

Top 1,000 (very common)A1preposition

Like

High-frequency chunkA1preposition

Similarly

Top 2,000 (common)B1adverb
 AsLikeSimilarly
Pronunciation🇬🇧 /["/əz//æz/"]/🇺🇸 /["/əz//æz/"]/🇬🇧 /["/laɪk/"]/🇺🇸 /["/laɪk/"]/🇬🇧 /["/ˈsɪmələli/"]/🇺🇸 /["/ˈsɪmələrli/"]/
Meaningin the same way or mannerto enjoy or be pleased by somethingIn the same way or manner.
ExampleThey were all dressed as clowns.I like chocolate ice cream.It is a little cheaper than other similarly sized cars.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)High-frequency chunkTop 2,000 (common)
CEFR levelA1A1B1
Part of speechprepositionprepositionadverb
Collocationsas fast as, as good as, as long aslike to eat, like a friend, like doing, like music, like the weathersimilarly structured, similarly situated, similarly motivated
Antonymsunlike, dissimilardislike, hate, detestdifferently, unlike
Common mistakes'As' vs 'like': Confusing when to use in comparisons., Incorrect placement in complex sentences., Using 'as' with a noun without a proper structure.Omitting the object, e.g. 'I like' instead of 'I like pizza'., Using 'like' in place of 'such as' when giving examples., Confusing 'like' with 'as' in comparative sentences.'Similarly' is sometimes incorrectly used to start a sentence without a clear comparison., Learners may confuse 'similarly' with 'simile', confusing comparative language with figurative language., Overusing 'similarly' in a paragraph can lead to redundancy.
Usage notesUsed for comparisons or to indicate a role. It's appropriate in formal and informal contexts. Avoid using 'as' in place of 'like' in informal speech.Used to express enjoyment or preference. Can be informal in casual conversations, but it's also suitable for formal situations. Avoid using in very formal writing or speeches.Use 'similarly' to compare two ideas or situations. It is best used in analytical or formal writing. Avoid in casual conversation where simpler phrases like 'also' might fit better.

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Frequently asked questions: As vs Like vs Similarly

What's the difference between As, Like, and Similarly?

As: in the same way or manner Like: to enjoy or be pleased by something Similarly: In the same way or manner.

Which is more advanced: As, Like, and Similarly?

Similarly is the highest level, at B1, on the CEFR scale.

Are As, Like, and Similarly the same CEFR level?

As: A1, Like: A1, Similarly: B1 on the CEFR scale.

What part of speech are As, Like, and Similarly?

As: preposition, Like: preposition, Similarly: adverb.

Can you show an example of each?

As: They were all dressed as clowns. Like: I like chocolate ice cream. Similarly: It is a little cheaper than other similarly sized cars.

Can I use As, Like, and Similarly interchangeably?

Not always. As, Like, and Similarly 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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