stupefaction vs stupor

stupefaction and stupor both are nouns.

Word	Noun	Adjective	Verb	Adverb
stupefaction	Yes	No	No	No
stupor	Yes	No	No	No

As nouns, stupefaction and stupor are synonyms defined as:

Other synonyms of stupefaction include grogginess, semiconsciousness.

As nouns, stupor is a hyponym of stupefaction; that is, stupor is a word with a more specific, narrower meaning than stupefaction:

stupefaction: a feeling of stupefied astonishment
stupor: the feeling of distress and disbelief that you have when something bad happens accidentally

Other hyponyms of stupefaction include daze, shock.

stupefaction (noun)	stupor (noun)
the action of stupefying; making dull or lethargic	marginal consciousness
marginal consciousness	the feeling of distress and disbelief that you have when something bad happens accidentally
a feeling of stupefied astonishment