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kind; sort; type
equal; match; peer
「比」 has other readings with different meanings.
彼の才能は他に類を見ないほど優れている。
His talent is outstanding to a degree unmatched by others.
この美しさは他に比がないと言っても過言ではない。
It is no exaggeration to say this beauty is without equal.
同じ類の失敗を二度と繰り返したくない。
I do not want to repeat the same kind of mistake again.