leap vs spring

leap and spring both are nouns.

Word	Noun	Adjective	Verb	Adverb
leap	Yes	No	Yes	No
spring	Yes	No	Yes	No

As nouns, leap and spring are synonyms defined as:

Other synonyms of leap include bounce, bound, leaping, saltation.

As verbs, leap and spring are synonyms defined as:

Other synonyms of leap include bound, jump.

As verbs, spring is a hyponym of leap; that is, spring is a word with a more specific, narrower meaning than leap:

leap (noun)	spring (noun)
a light, self-propelled movement upwards or forwards	a light, self-propelled movement upwards or forwards
the distance leaped (or to be leaped)	a metal elastic device that returns to its shape or position when pushed or pulled or pressed
an abrupt transition	the elasticity of something that can be stretched and returns to its original length
a sudden and decisive increase	a point at which water issues forth
	a natural flow of ground water
	the season of growth; spring; the beginning of spring

leap (verb)	spring (verb)
pass abruptly from one state or topic to another	develop suddenly
move forward by leaps and bounds	produce or disclose suddenly or unexpectedly
cause to jump or leap	spring back; spring away from an impact
jump down from an elevated point	move forward by leaps and bounds
	develop into a distinctive entity