Dual means anything that has two parts or two meanings or two applications. Whereas a duel is a fight between two people using swords or guns. As you can see, the two words have very different meanings. Hence...

Peace refers to the absence of conflict, war, and disturbance. It is commonly used to refer to a period where there is little to no conflict.On the other hand, ‘piece’ refers to a part of something whole or a...

ESL is an abbreviation for English as a Second Language, whereas EFL stands for English as a Foreign Language. These are two different approaches of learning English. ESL is used in context to teaching English...