shish kebab vs kabob

shish kebab and kabob both are nouns.

Word	Noun	Adjective	Verb	Adverb
shish kebab	Yes	No	No	No
kabob	Yes	No	No	No

As nouns, shish kebab and kabob are synonyms defined as:

shish kebab and kabob: cubes of meat marinated and cooked on a skewer usually with vegetables

Other synonyms of shish kebab include kebab.

shish kebab (noun)	kabob (noun)
cubes of meat marinated and cooked on a skewer usually with vegetables	cubes of meat marinated and cooked on a skewer usually with vegetables