leap vs pronk

leap is a noun but pronk is not a noun.

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

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

leap (noun)	pronk (noun)
a light, self-propelled movement upwards or forwards
the distance leaped (or to be leaped)
an abrupt transition
a sudden and decisive increase

leap (verb)	pronk (verb)
pass abruptly from one state or topic to another	jump straight up
move forward by leaps and bounds
cause to jump or leap
jump down from an elevated point