chickenfight vs chicken-fight

chickenfight and chicken-fight both are verbs.

Word	Noun	Adjective	Verb	Adverb
chickenfight	No	No	Yes	No
chicken-fight	No	No	Yes	No

As verbs, chickenfight and chicken-fight are synonyms defined as:

chickenfight and chicken-fight: fight while sitting on somebody's shoulders

chickenfight (verb)	chicken-fight (verb)
fight while sitting on somebody's shoulders	fight while sitting on somebody's shoulders