Yes, those are correct spellings of advice and opinion.
Snorkeling is correct. ^^^^^ No it's not. It can be spelt either "Snorkelling" (which is how i spell it) and it is indeed the British way to spell it. Snorkeling is the US way of spelling it. No way is right or wrong, it is a personal opinion.
that is the correct way to spell forgery
The correct way to spell "a lot" is "allot."
That is the correct spelling of "advise" (to counsel or suggest).The noun form is advice.
what is the correct way to spell noticeable
The correct way to spell "pianos" is P-I-A-N-O-S.
the the correct way is regally
The correct way to spell 88 is "eighty-eight."
that is the right way to spell it
Psychologist is the correct way to spell it...
That is the correct way to spell "spoons".
that is the correct way to spell worldwide