principal vs principle

As a noun it means someone or something in a high position or as an adjective it means highest.

• principal
• principle

As a noun its meaning a basic truth, quality or law.

• principal
• principle

The _________ of Highland Park Central Elementary was on leave.

• principal
• principle

Phoebe says in the famous sitcom F.R.I.E.N.D.S., " If I don't have my ___________, then I don't have anything."  

• principal
• principle

It all boils down to the basic ___________ of life.

• principal
• principle

Mr. Hightower was the _____________ speaker at the graduation ceremony.

• principal
• principle

My brother's ______________ food source is Pizza Shuttle pizza.

• principal
• principle

Cheating goes against my ___________ because I choose to do the right thing. 

• principal
• principle

The teacher told Maurice to talk to the ____________ about writing a letter to his parents about his much improved behavior at school.

• principal
• principle

The _____________ problem was there was no water to put out the forest fire.

• principal
• principle