King
noun, suffix
The kanji and the word are exactly the same. That means they share meanings as well.
おう
The reading for this word is the same as the one you learned when learning the kanji.
わたしが王だ。
I am the king.
王と女王は力のあるカップルだ。
The king and the queen are a powerful couple.
これは王のプライベートジェットですよ。
This is the king's private jet.