There are two words, advise and advice. Advise is the verb, advice is what you get. Someone can advise you by giving you advice. So it depends on which one you mean.
Advice is the correct spelling.
CONSULTATION - a request or solicitation of expert advice
That is the correct spelling for the word "delusional".
That is the correct spelling.
The correct spelling of the word is "existence."
Consoled, meaning to lessen grief, sorrow, sadness; to give comfort. Counseled, meaning to give an opinion or advice. Both are correct spelling, depending on what word you are trying to use.
This is the correct spelling of throughout.
Incorrectly is the correct spelling.
Revelations is the correct spelling.
Polystyrene is the correct spelling
Cordial is the correct spelling.
Afraid is the correct spelling.
Passages is the correct spelling of the word.