Similarity may refer to:

In mathematics and computing Similarity (geometry), the property of sharing the same shape Matrix similarity, a relation between matrices Similarity measure, a function that quantifies the similarity of two objects Cosine similarity, which uses the angle between vectors String metric, also called string similarity Semantic similarity, in computational linguistics

In linguistics Lexical similarity Semantic similarity

In other fields Similitude (model), in engineering, describing the geometric, kinematic and dynamic 'likeness' of two or more systems Similarity (psychology) Similarity (philosophy) Similarity (signal processing) Musical similarity Chemical similarity Similarity (network science) Structural similarity Similar (film), an upcoming South Korean film

See also

Same (disambiguation) Difference (disambiguation) Equality (mathematics) Identity (philosophy)