deception vs four flush

deception and four flush both are nouns.

Word	Noun	Adjective	Verb	Adverb
deception	Yes	No	No	No
four flush	Yes	No	No	No

As nouns, four flush is a hyponym of deception; that is, four flush is a word with a more specific, narrower meaning than deception:

deception: the act of deceiving
four flush: the act of bluffing in poker; deception by a false show of confidence in the strength of your cards

deception (noun)	four flush (noun)
the act of deceiving	the act of bluffing in poker; deception by a false show of confidence in the strength of your cards
an illusory feat; considered magical by naive observers
a misleading falsehood