spring vs vernal equinox

spring and vernal equinox both are nouns.

Word	Noun	Adjective	Verb	Adverb
spring	Yes	No	Yes	No
vernal equinox	Yes	No	No	No

spring (noun)	vernal equinox (noun)
a light, self-propelled movement upwards or forwards	(astronomy) the equinoctial point that lies in the constellation of Pisces
a metal elastic device that returns to its shape or position when pushed or pulled or pressed	March 21
the elasticity of something that can be stretched and returns to its original length
a point at which water issues forth
a natural flow of ground water
the season of growth; spring; the beginning of spring

spring (verb)	vernal equinox (verb)
develop suddenly
produce or disclose suddenly or unexpectedly
spring back; spring away from an impact
move forward by leaps and bounds
develop into a distinctive entity