Question

How can I find words for roots?
like il- and post

Answer 1

This dictionary has the definitions for prefixes such as il- and post-.

http://dictionary.reference.com/

Be sure to include the appropriate hyphens when you search.

Answer 2

This is a really good site to put into your favs for future reference.

(Broken Link Removed)

Answer 3

I typed il- and it gave me 9 results. How do I know which one to use?

Answer 4

In the site I gave you, if you scan down to prefixes... you will see the following:

il- not
illegitimate, illicit, illegal, illegible

Answer 5

thanks. do you have another list cause im still missing some like nat and ante

Answer 6

http://dictionary.reference.com/

The prefix, ante-, is in that dictionary. I haven't found "nat," either as a prefix or suffix.