Originally Posted by oldmako

From Dictionary.com

ad·vice
   [ad-vahys]

noun
1.
an opinion or recommendation offered as a guide to action, conduct, etc.: I shall act on your advice.
2.
a communication, especially from a distance, containing information: Advice from abroad informs us that the government has fallen. Recent diplomatic advices have been ominous.
3.
an official notification, especially one pertaining to a business agreement: an overdue advice.

-------------------------------------------------------------------------
advise
[ad-vahyz]   Origin

ad·vise
   [ad-vahyz] Show IPA verb, -vised, -vis·ing.
verb (used with object)
1.
to give counsel to; offer an opinion or suggestion as worth following: I advise you to be cautious.
2.
to recommend as desirable, wise, prudent, etc.: He advised secrecy.
3.
to give (a person, group, etc.) information or notice (often followed by of ): The investors were advised of the risk. They advised him that this was their final notice.
verb (used without object)
4.
to take counsel; consult (usually followed by with ): I shall advise with my friends.
5.
to offer counsel; give advice: I shall act as you advise.