dash vs rush

dash and rush both are nouns.

Word	Noun	Adjective	Verb	Adverb
dash	Yes	No	Yes	No
rush	Yes	Yes	Yes	No

As nouns, rush is a hypernym of dash; that is, rush is a word with a broader meaning than dash:

Other hypernyms of dash include haste, hurry, rushing.

As verbs, rush is a hypernym of dash; that is, rush is a word with a broader meaning than dash:

dash (noun)	rush (noun)
a quick run	the act of moving hurriedly and in a careless manner
the act of moving with great haste	(American football) an attempt to advance the ball by running into the line
distinctive and stylish elegance	a sudden forceful flow
the longer of the two telegraphic signals used in Morse code	a sudden burst of activity
a punctuation mark (-) used between parts of a compound word or between the syllables of a word when the word is divided at the end of a line of text	the swift release of a store of affective force
a footrace run at top speed	grasslike plants growing in wet places and having cylindrical often hollow stems

dash (adjective)	rush (adjective)
	done under pressure
	not accepting reservations

dash (verb)	rush (verb)
break into pieces, as by striking or knocking over	act at high speed
add an enlivening or altering element to	urge to an unnatural speed
hurl or thrust violently	attack suddenly
cause to lose courage; to be daunted; to be scared away	cause to occur rapidly
run or move very quickly or hastily	move hurridly
destroy or break	run with the ball, in football
	cause to move fast or to rush or race