excruciate vs martyr

excruciate is not a noun while martyr is a noun.

Word	Noun	Adjective	Verb	Adverb
excruciate	No	No	Yes	No
martyr	Yes	No	Yes	No

As verbs, martyr is a hyponym of excruciate; that is, martyr is a word with a more specific, narrower meaning than excruciate:

Other hyponyms of excruciate include rack, martyrise, martyrize.

excruciate (noun)	martyr (noun)
	one who suffers for the sake of principle
	one who voluntarily suffers death as the penalty for refusing to renounce their religion

excruciate (verb)	martyr (verb)
subject to torture	torture and torment like a martyr
torment emotionally or mentally	kill as a martyr