>>>Hi everybody,
>>>
>>>The word "advice" is a noun, while "advise" is a verb. However, I see lots of messages, even from the native speakers, where "advise" is used as a noun. I'm wondering, what other examples for "c" in a noun and "s" in a verb exist?
>>>
>>>Thanks in advance.
>>
>>
>>Reminds me that there is an english word that has two opposite meanings - but the same word. Can you think of it?
>
>Not of the top of my head. What is it?

Cleave.

From yourdictionary.com:

cleave1

To split with or as if with a sharp instrument. See Synonyms at tear

cleave2

To adhere, cling, or stick fast.