How to say "genus" in Japanese

• 類るいCommon
  noun, noun (suffix)Use this when 'genus' is meant loosely, as a kind, sort or class of similar things. For the technical biological term it is seldom the word you want; it is really a 'kind, class' word.
  あの店みせには織物おりもの類るいが置おいてありますか。↗

  Does that store keep textile goods?
• 種族しゅぞくCommon
  nounThis is the word for the biological sense of 'genus', a group of related species; use it in biological classification, where it also covers 'species' and 'family'.
  虎とらは消滅しょうめつしかかっている種族しゅぞくである。↗

  The tiger is a vanishing species.

Use 類 when 'genus' means a kind, sort or class of similar things in everyday, non-technical talk, and 種族 when it is the biological term for a group of related species.

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

• 類るいkind
• 種数しゅすうgenus
• 属ぞくgenus
• 類概念るいがいねんgeneric concept
• 種族しゅぞくspecies