guess和how是同类吗

guess和how不是同类。

guess:

vt. 猜测；认为；推测；猜中

vi. 猜；推测；猜中

n. 猜测；推测

I don't have the energy right now to guess why you're doing this.

我现在没有精力去猜测你这样做的原因。

how:

adv. 如何；多少；多么

n. 方法；方式

conj. 如何

It all depends on how you look at it.

那完全取决于你如何看待它。

How many people were there?

有多少人？

How much thickener is used?

用了多少增稠剂？

How does this machine work?

这部机器是如何工作的？