pause vs delay

pause and delay both are nouns.

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

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

pause: a time interval during which there is a temporary cessation of something
delay: time during which some action is awaited

As verbs, delay is a hypernym of pause; that is, delay is a word with a broader meaning than pause:

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

pause (verb)	delay (verb)
cease an action temporarily	cause to be slowed down or delayed
interrupt temporarily an activity before continuing	stop or halt
	slow the growth or development of
	act later than planned, scheduled, or required