shariah vs Islamic law

shariah and Islamic law both are nouns.

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

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

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

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

shariah (noun)	Islamic 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