nervy vs tense

nervy is not a noun while tense is a noun.

Word	Noun	Adjective	Verb	Adverb
nervy	No	Yes	No	No
tense	Yes	Yes	Yes	No

nervy (noun)	tense (noun)
	a grammatical category of verbs used to express distinctions of time

nervy (adjective)	tense (adjective)
showing or requiring courage and contempt of danger	taut or rigid; stretched tight
offensively bold	pronounced with relatively tense tongue muscles (e.g., the vowel sound in `beat')
being in a tense state	in or of a state of physical or nervous tension

nervy (verb)	tense (verb)
	cause to be tense and uneasy or nervous or anxious
	become tense, nervous, or uneasy
	increase the tension on
	become stretched or tense or taut