here和there是同类词吗（there和here为什么都是副词）

对的。here和there都是地点副词，详解如下。

表示地点的副词和表示位置关系的副词统称为地点副词。

表示地点的：here, there, home, upstairs, downstairs, anywhere, everywhere, nowhere, somewhere, abroad, elsewhere等。

表示位置关系的：above, below, down, up, out, in, across, back, along, over, round, around, away, near, off, on, inside, outside, past等。