Similarity vs There is no distinction

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

Similarity

Top 1,000 (very common)B1noun

There is no distinction

FormalTop 5,000 (fairly common)
Most formal: There is no distinctionMost common: Similarity
 SimilarityThere is no distinction
Pronunciation🇬🇧 /["/ˌsɪməˈlærəti/"]/🇺🇸 /["/ˌsɪməˈlærəti/"]/🇬🇧 //ðeər ɪz nəʊ dɪsˈtɪŋkʃən//🇺🇸 //ðɛr ɪz noʊ dɪsˈtɪŋkʃən//
MeaningThe way two things are alike or share qualities.There is no difference.
ExampleThe similarity between the two paintings is striking.In this situation, there is no distinction between fact and opinion.
RegisterNeutralFormal
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelB1-
Part of speechnoun
Collocationsclose, considerable, great, degree, bear, have, reveal, exist, end, similarity between, similarity in, similarity to, a point of similarity, close, considerable, great, degree, bear, have, reveal, exist, end, similarity between, similarity in, similarity to, a point of similaritymake a distinction, no significant distinction, there is a clear distinction, draw a distinction, recognize a distinction
Antonymsdifference, dissimilarity-
Common mistakesConfused with 'similar' which is an adjective., Using 'similarity' incorrectly in plural form., Overusing it when 'commonality' or 'likeness' might be more appropriate.Confusing with 'there is a distinction' which means differences exist., Using in casual situations where a simpler phrase would suffice., Misplacing the phrase in a sentence causing confusion about what is being compared.
Usage notesUsed when discussing comparisons between things, especially in contexts like science, literature, or everyday conversations. It is often avoided in casual slang settings.Used in formal writing or discussions to indicate that two items or ideas are the same in nature or quality.

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There is no distinction

Frequently asked questions: Similarity vs There is no distinction

What's the difference between Similarity and There is no distinction?

Similarity: The way two things are alike or share qualities. There is no distinction: There is no difference.

Which is more formal: Similarity and There is no distinction?

There is no distinction is the most formal of these.

Which is more common: Similarity and There is no distinction?

Similarity is the most common in everyday English.

Can you show an example of each?

Similarity: The similarity between the two paintings is striking. There is no distinction: In this situation, there is no distinction between fact and opinion.

Can I use Similarity and There is no distinction interchangeably?

Not always. Similarity and There is no distinction 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.