How to say "resemblance" in Japanese

• 類似るいじJLPT N1approx.Common
  suru verb, intransitive verb, no-adjectiveThe general-purpose choice: resemblance or similarity between things close in nature, kind, or features, and it can also cover 'analogy'. Typical when you compare items or cases and point out what they share.
  この構成こうせいにおいて、三角形さんかっけいの代かわりに長方形ちょうほうけいを用もちいても類似るいじの困難こんなんが生しょうずる。↗

  We encounter similar difficulties when we substitute rectangles for triangles in this configuration.
• 相似そうじCommon
  noun, suru verb, intransitive verbPoints to likeness in outward form or appearance — things that look alike or share the same shape. It is also the established term in geometry for figures of the same shape but different size.

Use 類似 for the general notion of two things being alike in kind, character, or features, and 相似 for close likeness in outward form or shape, including the geometric sense of similarity.

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

• 類似るいじresemblance
• 相似そうじresemblance
• 類似性るいじせいresemblance
• 類似点るいじてん(point of) similarity
• 相似点そうじてんpoint of likeness (between)