barbeque vs barbecue

barbeque and barbecue both are nouns.

Word	Noun	Adjective	Verb	Adverb
barbeque	Yes	No	Yes	No
barbecue	Yes	No	Yes	No

As nouns, barbeque and barbecue are synonyms defined as:

barbeque and barbecue: a rack to hold meat for cooking over hot charcoal usually out of doors

As nouns, barbeque and barbecue are synonyms defined as:

barbeque and barbecue: a cookout in which food is cooked over an open fire; especially a whole animal carcass roasted on a spit

As nouns, barbeque and barbecue are synonyms defined as:

barbeque and barbecue: meat that has been barbecued or grilled in a highly seasoned sauce

As verbs, barbeque and barbecue are synonyms defined as:

Other synonyms of barbeque include cook out.

barbeque (noun)	barbecue (noun)
a rack to hold meat for cooking over hot charcoal usually out of doors	a rack to hold meat for cooking over hot charcoal usually out of doors
a cookout in which food is cooked over an open fire; especially a whole animal carcass roasted on a spit	a cookout in which food is cooked over an open fire; especially a whole animal carcass roasted on a spit
meat that has been barbecued or grilled in a highly seasoned sauce	meat that has been barbecued or grilled in a highly seasoned sauce

barbeque (verb)	barbecue (verb)
cook outdoors on a barbecue grill	cook outdoors on a barbecue grill