spring vs March equinox

spring and March equinox both are nouns.

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

spring (noun)	March equinox (noun)
a light, self-propelled movement upwards or forwards	March 21
a metal elastic device that returns to its shape or position when pushed or pulled or pressed
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)	March 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