delay vs prorogue

delay is a noun but prorogue is not a noun.

Word	Noun	Adjective	Verb	Adverb
delay	Yes	No	Yes	No
prorogue	No	No	Yes	No

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

delay (noun)	prorogue (noun)
the act of delaying; inactivity resulting in something being put off until a later time
time during which some action is awaited

delay (verb)	prorogue (verb)
cause to be slowed down or delayed	adjourn by royal prerogative; without dissolving the legislative body
stop or halt	hold back to a later time
slow the growth or development of
act later than planned, scheduled, or required