What is the difference?
The only major difference that can be spotted between the words "plane" and "plain" relates to their meanings and usage.
The word "plane' can mean an aircraft or a flat item and can also mean the act of flattening an object, having a dual meaning within the English language.
At the same time, "plain" is used as an adjective, meaning that something is simple or clear. It is crucial to understand the right use of language in order to have effective and efficient communication.