kabob vs souvlaki

kabob and souvlaki both are nouns.

Word	Noun	Adjective	Verb	Adverb
kabob	Yes	No	No	No
souvlaki	Yes	No	No	No

As nouns, souvlaki is a hyponym of kabob; that is, souvlaki is a word with a more specific, narrower meaning than kabob:

kabob: cubes of meat marinated and cooked on a skewer usually with vegetables
souvlaki: made of lamb

Other hyponyms of kabob include souvlakia.

kabob (noun)	souvlaki (noun)
cubes of meat marinated and cooked on a skewer usually with vegetables	made of lamb