How to say "grouping" in Japanese

• 仕分けしわけCommon
  noun, suru verb, transitive verbCovers 'grouping' as the practical act of sorting items out into groups — mail, documents, laundry; the emphasis falls on the sorting process itself rather than on the resulting categories.
• 区分くぶんJLPT N2approx.Common
  noun, suru verb, transitive verbCovers 'grouping' as dividing or classifying a whole into distinct categories or segments; it suits systematic classification — segmenting customers, areas, or data — and matches the 'segmentation' sense.
• 色分けいろわけCommon
  noun, suru verb, transitive verbCovers 'grouping' in the sense of color-coding — sorting items into groups distinguished by color — and, figuratively, keeping groups clearly distinct; without such a color or contrast element it is seldom the word you want.

For 'grouping,' 「仕分け」 is the practical act of sorting items out into groups, 区分 is dividing or classifying a whole into categories or segments, and 「色分け」 is grouping by color or clearly separated groups.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 仕分けしわけclassification
• グルーピングgrouping
• グループ化グループかgrouping
• 場合分けばあいわけgrouping
• 布置ふちarrangement
• 区分くぶんclassification
• 色分けいろわけclassification