Islamic law vs shariah

Islamic law and shariah both are nouns.

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

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

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

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

Islamic law (noun)	shariah (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