pandiculation vs stretching

pandiculation and stretching both are nouns.

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

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

pandiculation: yawning and stretching (as when first waking up)
stretching: exercise designed to extend the limbs and muscles to their full extent

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

pandiculation (noun)	stretching (noun)
yawning and stretching (as when first waking up)	exercise designed to extend the limbs and muscles to their full extent
	act of expanding by lengthening or widening