pandiculation vs yawn

pandiculation and yawn both are nouns.

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

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

pandiculation: yawning and stretching (as when first waking up)
yawn: 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, yawning.

pandiculation (noun)	yawn (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 (verb)	yawn (verb)
	utter a yawn, as from lack of oxygen or when one is tired
	be wide open