kinds
n. countablen. different types or groups of things that share similar features. You use this when you want to talk about variety.
n. categories or classes of things that share common characteristics. Often used in the plural to indicate variety or diversity within a group.
There are many kinds of fruit in the basket.
The library carries all kinds of books, from historical biographies to modern science fiction novels.
The biologist spent years documenting the various kinds of flora found in the valley, noting how each species adapted to the specific soil conditions.
Often followed by 'of' and a plural noun; in informal speech, 'these kinds of' is common even when 'this kind of' is technically more precise.
these kind of thingsthese kinds of thingsThe determiner 'these' must agree with the plural 'kinds'.