pandiculation vs yawning

pandiculation and yawning both are nouns.

Word	Noun	Adjective	Verb	Adverb
pandiculation	Yes	No	No	No
yawning	Yes	Yes	No	No

As nouns, yawning is a hypernym of pandiculation; that is, yawning is a word with a broader meaning than pandiculation:

pandiculation: yawning and stretching (as when first waking up)
yawning: an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

Other hypernyms of pandiculation include stretch, stretching, oscitance, oscitancy, yawn.

pandiculation (noun)	yawning (noun)
yawning and stretching (as when first waking up)	an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

pandiculation (adjective)	yawning (adjective)
	showing lack of attention or boredom
	gaping open as if threatening to engulf someone or something
	with the mouth wide open indicating boredom or sleepiness