harissa

As a noun harissa

is a traditional armenian dish similar to ; a kind of homogeneous porridge made of previously stewed and boned chicken and coarsely ground soaked wheat or harissa can be a north african spice mix, containing chillis, garlic and salt, used as both a condiment and an ingredient.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between sumac and harissa

is that sumac is any of various shrubs or small trees of the genus Rhus including the poison ivy and poison oak while harissa is a traditional Armenian dish similar to keşkek; a kind of homogeneous porridge made of previously stewed and boned chicken and coarsely ground soaked wheat.

As nouns the difference between harissa and sarissa

is that harissa is a traditional Armenian dish similar to keşkek; a kind of homogeneous porridge made of previously stewed and boned chicken and coarsely ground soaked wheat while sarissa is a long pike used in the traditional Greek phalanx formation.