jactation vs restlessness

jactation and restlessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
jactation	Yes	No	No	No
restlessness	Yes	No	No	No

As nouns, restlessness is a hypernym of jactation; that is, restlessness is a word with a broader meaning than jactation:

jactation: (pathology) extremely restless tossing and twitching usually by a person with a severe illness
restlessness: inability to rest or relax or be still

Other hypernyms of jactation include queasiness, uneasiness.

jactation (noun)	restlessness (noun)
(pathology) extremely restless tossing and twitching usually by a person with a severe illness	inability to rest or relax or be still
	the quality of being ceaselessly moving or active
	a feeling of agitation expressed in continual motion
	a lack of patience; irritation with anything that causes delay