barbecue vs barbeque

barbecue and barbeque both are nouns.

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

As nouns, barbecue and barbeque are synonyms defined as:

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

As nouns, barbecue and barbeque are synonyms defined as:

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

As nouns, barbecue and barbeque are synonyms defined as:

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

As verbs, barbecue and barbeque are synonyms defined as:

Other synonyms of barbecue include cook out.

barbecue (noun)	barbeque (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

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