nervousness vs jumpiness

nervousness and jumpiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
nervousness	Yes	No	No	No
jumpiness	Yes	No	No	No

As nouns, nervousness and jumpiness are synonyms defined as:

nervousness and jumpiness: the anxious feeling you have when you have the jitters

Other synonyms of nervousness include jitteriness, restiveness.

nervousness (noun)	jumpiness (noun)
a sensitive or highly strung temperament	the anxious feeling you have when you have the jitters
the anxious feeling you have when you have the jitters
an uneasy psychological state