dash off vs compose

dash off and compose both are verbs.

Word	Noun	Adjective	Verb	Adverb
dash off	No	No	Yes	No
compose	No	No	Yes	No

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

Other hypernyms of dash off include indite, pen, write.

dash off (verb)	compose (verb)
write down hastily	make up plans or basic details for
write quickly	produce a literary work
	write music
	put together out of existing material
	calm (someone, especially oneself); make quiet
	form the substance of