Cool MateAlike vs Comparable vs Equivalent vs Similar
When to use each in English, with meaning, register, and examples.
Alike
Comparable
Equivalent
Similar
| Alike | Comparable | Equivalent | Similar | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈlaɪk/"]/🇺🇸 /["/əˈlaɪk/"]/ | 🇬🇧 /["/ˈkɒmpərəbl/"]/🇺🇸 /["/ˈkɑːmpərəbl/"]/ | 🇬🇧 /["/ɪˈkwɪvələnt/"]/🇺🇸 /["/ɪˈkwɪvələnt/"]/ | 🇬🇧 /["/ˈsɪmələ(r)/"]/🇺🇸 /["/ˈsɪmələr/"]/ |
| Meaning | similar or the same as something else | Able to be compared to something else. | Something that is the same as something else. | Almost the same as something else. |
| Example | They tried to treat all their children alike. | A comparable house in the south of the city would cost twice as much. | In mathematics, two fractions can be equivalent if they represent the same value. | These two paintings look very similar to each other. |
| Register | Neutral | Neutral | Formal | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | C1 | C1 | B2 | A1 |
| Part of speech | adverb | adjective | noun | adjective |
| Collocations | look alike, feel alike, sound alike, think alike | be, become, closely, quite, very, in, to, with, something comparable (to something), there is nothing comparable (to something) | direct, exact, approximate, be, be considered, represent, equivalent for, equivalent in, equivalent of | be, feel, look, extremely, fairly, very, in, to |
| Antonyms | different, unlike | incomparable, unequal, dissimilar | different, unequal, dissimilar | different, dissimilar |
| Common mistakes | 'Alike' used for more than two subjects (e.g., 'The three cars look alike' is correct, but 'The car and the bike are alike'.), Confusing 'alike' with 'like' in different sentence structures., 'Alike' often misused in the passive voice. | Confused with 'comparative' which refers to a grammatical degree., Using 'comparable' without a 'to' or 'with', which is incorrect., Omitting 'to' when making comparisons. | Confused with 'equal' when discussing non-quantitative aspects., Using it without the necessary prepositions (e.g., forgetting 'to')., Overusing it when 'similar' would be more appropriate. | Confused with 'same' — 'similar' means not exactly the same., Incorrectly used for unrelated things., Using 'similar' with more than two items without clarification. |
| Usage notes | Use 'alike' to show similarity between two objects or subjects. Avoid in formal writing; 'similar' is preferred in those contexts. | Use 'comparable' when discussing similarities between two items. It is more neutral than 'superior' or 'inferior', and avoids informal usage. Avoid using it in casual conversations where simpler words like 'similar' could suffice. | Use 'equivalent' in formal contexts such as academic writing or discussions. Avoid in casual conversations. It often compares values, functions, or items. | Use 'similar' when comparing two or more things that share characteristics. Avoid using it for things that are not closely related. |
See it in real clips
Frequently asked questions: Alike vs Comparable vs Equivalent vs Similar
What's the difference between Alike, Comparable, Equivalent, and Similar?
Alike: similar or the same as something else Comparable: Able to be compared to something else. Equivalent: Something that is the same as something else. Similar: Almost the same as something else.
Which is more formal: Alike, Comparable, Equivalent, and Similar?
Equivalent is the most formal of these.
Are Alike, Comparable, Equivalent, and Similar the same CEFR level?
Alike: C1, Comparable: C1, Equivalent: B2, Similar: A1 on the CEFR scale.
What part of speech are Alike, Comparable, Equivalent, and Similar?
Alike: adverb, Comparable: adjective, Equivalent: noun, Similar: adjective.
Can you show an example of each?
Alike: They tried to treat all their children alike. Comparable: A comparable house in the south of the city would cost twice as much. Equivalent: In mathematics, two fractions can be equivalent if they represent the same value. Similar: These two paintings look very similar to each other.
Can I use Alike, Comparable, Equivalent, and Similar interchangeably?
Not always. Alike, Comparable, Equivalent, and Similar 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.