fling off vs compose

fling off and compose both are verbs.

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

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

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

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