bioethics vs ethics

bioethics and ethics both are nouns.

Word	Noun	Adjective	Verb	Adverb
bioethics	Yes	No	No	No
ethics	Yes	No	No	No

As nouns, ethics is a hypernym of bioethics; that is, ethics is a word with a broader meaning than bioethics:

bioethics: the branch of ethics that studies moral values in the biomedical sciences
ethics: the philosophical study of moral values and rules

Other hypernyms of bioethics include moral philosophy.

bioethics (noun)	ethics (noun)
the branch of ethics that studies moral values in the biomedical sciences	the philosophical study of moral values and rules
	motivation based on ideas of right and wrong