1.
difference, discrepancy, disparity
A noticeable difference or gap between two or more things. More formal than 違い and often used in academic, analytical, or official contexts.
Common patterns
差 (difference, gap) + 異 (different, unusual).
Usage
差異 is a formal synonym of 違い (difference). It is preferred in written, academic, and analytical contexts where precise or objective language is expected. Compared to 差, which emphasizes a measurable gap, 差異 focuses on qualitative differences between things being compared.
Common collocations
Related Words
Synonym:
違い (difference (everyday))
Synonym:
差 (gap, margin)
Synonym:
相違 (discrepancy (formal))
Compare:
相違点 (point of difference)