grogginess vs tiredness

grogginess and tiredness both are nouns.

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

As nouns, tiredness is a hypernym of grogginess; that is, tiredness is a word with a broader meaning than grogginess:

grogginess: a groggy state resulting from weariness
tiredness: temporary loss of strength and energy resulting from hard physical or mental work

Other hypernyms of grogginess include fatigue, weariness.

grogginess (noun)	tiredness (noun)
marginal consciousness	temporary loss of strength and energy resulting from hard physical or mental work
a groggy state resulting from weariness
a dazed and staggering state caused by alcohol