stupefaction vs semiconsciousness

stupefaction and semiconsciousness both are nouns.

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

As nouns, stupefaction and semiconsciousness are synonyms defined as:

Other synonyms of stupefaction include grogginess, stupor.

stupefaction (noun)	semiconsciousness (noun)
the action of stupefying; making dull or lethargic	marginal consciousness
marginal consciousness
a feeling of stupefied astonishment