grogginess vs stupor

grogginess and stupor both are nouns.

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

As nouns, grogginess and stupor are synonyms defined as:

Other synonyms of grogginess include semiconsciousness, stupefaction.

grogginess (noun)	stupor (noun)
marginal consciousness	marginal consciousness
a groggy state resulting from weariness	the feeling of distress and disbelief that you have when something bad happens accidentally
a dazed and staggering state caused by alcohol