King Hussein vs Husain

King Hussein and Husain both are nouns.

Word	Noun	Adjective	Verb	Adverb
King Hussein	Yes	No	No	No
Husain	Yes	No	No	No

As nouns, King Hussein and Husain are synonyms defined as:

King Hussein and Husain: king of Jordan credited with creating stability at home and seeking peace with Israel (1935-1999)

Other synonyms of King Hussein include Husayn, Hussein, Hussein of Jordan, ibn Talal Hussein.

King Hussein (noun)	Husain (noun)
king of Jordan credited with creating stability at home and seeking peace with Israel (1935-1999)	king of Jordan credited with creating stability at home and seeking peace with Israel (1935-1999)
	Iraqi leader who waged war against Iran; his invasion of Kuwait led to the Gulf War (born in 1937)