surreal humour vs surreal humor

surreal humour and surreal humor both are nouns.

Word	Noun	Adjective	Verb	Adverb
surreal humour	Yes	No	No	No
surreal humor	Yes	No	No	No

As nouns, surreal humour and surreal humor are synonyms defined as:

surreal humour and surreal humor: is a form of humour predicated on deliberate violations of causal reasoning, producing events and behaviours that are obviously illogical.

Other synonyms of surreal humour include absurdist humor, absurdist humour.

surreal humour (noun)	surreal humor (noun)
is a form of humour predicated on deliberate violations of causal reasoning, producing events and behaviours that are obviously illogical.	is a form of humour predicated on deliberate violations of causal reasoning, producing events and behaviours that are obviously illogical.