shariah vs sharia law

shariah and sharia law both are nouns.

Word	Noun	Adjective	Verb	Adverb
shariah	Yes	No	No	No
sharia law	Yes	No	No	No

As nouns, shariah and sharia law are synonyms defined as:

shariah and sharia law: the code of law derived from the Koran and from the teachings and example of Mohammed

Other synonyms of shariah include Islamic law, sharia, shariah law.

shariah (noun)	sharia law (noun)
the code of law derived from the Koran and from the teachings and example of Mohammed	the code of law derived from the Koran and from the teachings and example of Mohammed