noun, noun, used as a suffix
General word for a category, group, or type. Used as a standalone noun and as a suffix in compounds.
この類の本はあまり読まない。
I don't read this kind of book very often.
哺乳類には多くの種が含まれる。
Mammals include many species.
noun, noun, used as a suffix
similar example; parallel; the like
Used to refer to things of the same kind, often in expressions like ～の類 or ～といった類.
詐欺やそれに類する犯罪が増えている。
Fraud and similar crimes are increasing.
彼は詩や小説の類をよく書く。
He often writes poetry, novels, and the like.