backscatter vs disperse

backscatter and disperse both are verbs.

Word	Noun	Adjective	Verb	Adverb
backscatter	No	No	Yes	No
disperse	No	No	Yes	No

As verbs, disperse is a hypernym of backscatter; that is, disperse is a word with a broader meaning than backscatter:

backscatter: scatter (radiation) by the atoms of the medium through which it passes
disperse: cause to separate

Other hypernyms of backscatter include break up, scatter.

backscatter (verb)	disperse (verb)
scatter (radiation) by the atoms of the medium through which it passes	cause to separate
	cause to become widely known
	distribute loosely
	separate (light) into spectral rays
	move away from each other
	to cause to separate and go in different directions