principal与 principle的区别

Both principal and principle come from the same root word in Latin, primus, or prime. The two words are linked, which accounts for their distinct but similar meanings.

principal和principle都来自于同一拉丁语词根，primus或prime。这两个单词虽然不同但相似的含义使得这它们常被联系起来。

Principal

Principal has two meanings, one as an adjective and the other as a noun. However, they have the same pattern: they mean something or someone that is a leader, the first, and/or the most important.

Principal有两个意思，一个是作为形容词，另一个是作为名词。这两个单词尽管词性不同，却有相同含义：皆为某事或某人是主导/领导，第一个或最重要的。

Noun: the head, chief, or leader; the leader of a school; the initial sum of an investment

名词词性：首脑、首席或领导；学校的领导；投资的初始金额

Adjective: the most important, the chief; referring to the initial sum of an investment

形容词词性：最重要的，主要的；指投资的初始金额。

Principle

Principle is always a noun, unless the word is in a different form.

Principe除变形外只为名词。

Noun: A truth or idea that serves as the foundation for something, such as a belief, behavior, or moral code; an accepted rule for conduct

名词词性：作为某事基础的真理或想法依据，如信仰、行为或道德准则；公认的行为准则

Principled is the adjective form of principle. It simply describes something (a person, moral code, etc.) that is founded on principles.

Principled是principle的形容词形式。只用来描述基于原则的事物（如，人，道德准则等）。