What is the Difference between Grey and Gray
No matter you write grey or gray, both are correct. These differences in spellings occurred because of the different dialects of English language. In Britain and US English, many words that are pronounced alike have different spellings. Yes, there are words which sound different. Like pizza and pizza (pitza).
What is the Difference between Affect and Effect
There might be any person, who does not know this fact that “affect” and “effect” have two different meanings in English language. However, only a few people know the correct use of affect and effect according to situation and grammar requirement.