Recommended by Joy
"FEWER" and "LESS"
"Fewer" is used for countable items. "Less" is used for uncountable quantities. Ex.: We need fewer chairs. There is less water in the bottle.
"PRINCIPAL" and "PRINCIPLE"
"Principal" refers to a person in a position of authority or the primary part of something. "Principle" means a fundamental rule or belief. Ex.: The school principal addressed the students. The principal reason for our success is teamwork. Honesty is an important principle to uphold.