如何 / usr /任何Unix系统上的share / dict / words 我们说几句话？像OED-Unabridged？

I am writing a program that needs A LOT of words of the English language. I am trying to find a dictionary file that has a lot of words. Does anyone know of a good source? I tried many sources but they don't seem to have it.

What about /usr/share/dict/words on any Unix system? How many words are we talking about? Like OED-Unabridged?