restlessness vs mobility

restlessness and mobility both are nouns.

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

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

restlessness (noun)	mobility (noun)
inability to rest or relax or be still	the quality of moving freely
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