duty period vs trick

duty period and trick both are nouns.

Word	Noun	Adjective	Verb	Adverb
duty period	Yes	No	No	No
trick	Yes	No	Yes	No

As nouns, trick is a hyponym of duty period; that is, trick is a word with a more specific, narrower meaning than duty period:

duty period (noun)	trick (noun)
the time period during which you are at work	a ludicrous or grotesque act done for fun and amusement
	(card games) in a single round, the sequence of cards played by all the players; the high card is the winner
	an illusory feat; considered magical by naive observers
	an attempt to get you to do something foolish or imprudent
	a cunning or deceitful action or device
	a prostitute's customer
	a period of work or duty

duty period (verb)	trick (verb)
	deceive somebody