Duty
Duty noun - Something one must do because of prior agreement.
Usage example: I must obey the call of duty and serve my country
Option
Option noun - The power, right, or opportunity to choose.
Usage example: you will have the option to select one of several quite different health insurance plans
How words are described
Both words in one sentence
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Some people neglect any duty they're given, it seems, which is why you're given the option of finding a prostitute for Romero instead of staying behind to cause a zombie apocalypse.
Source: Zombie Apocalypse -
It is implied that the Addicaine commanders have the option of using heavy duty combat drugs to bring their troops up to battle ready status.
Source: Webcomic / Among The Chosen - The player character has the option to charm or purchase food from the guard on duty so the man doesn't have to die with an empty stomach.
Source: Denied Food as Punishment
Cite this Source
Option and Duty. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/duty/option
Duty & Option. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/duty/option>.
Option or Duty. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/duty/option.
Google Ngram Viewer shows how "duty" and "option" have occurred on timeline