head game vs deception

head game and deception both are nouns.

Word	Noun	Adjective	Verb	Adverb
head game	Yes	No	No	No
deception	Yes	No	No	No

As nouns, deception is a hypernym of head game; that is, deception is a word with a broader meaning than head game:

Other hypernyms of head game include deceit, dissembling, dissimulation.

head game (noun)	deception (noun)
the act of deluding; deception by creating illusory ideas	the act of deceiving
	an illusory feat; considered magical by naive observers
	a misleading falsehood