Which resource is most useful for finding the correct spelling of words if you have internet access  who ever gets it correct earned ! and a list of synonymes dictionary electronic dictionary usage guide

Dictinary due to the fact it 
1. gives you how to spell the word
2. tells you the meaning.
i say dictinary cuz it show you the right way to spell it WHILE showing u the meaning and the dictionary would have to have it spelled right so im saying dictionary