dissociate vs decompose

dissociate and decompose both are verbs.

Word	Noun	Adjective	Verb	Adverb
dissociate	No	No	Yes	No
decompose	No	No	Yes	No

As verbs, decompose is a hypernym of dissociate; that is, decompose is a word with a broader meaning than dissociate:

dissociate: to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms
decompose: separate (substances) into constituent elements or parts

Other hypernyms of dissociate include break down, break up.

dissociate (verb)	decompose (verb)
to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms	separate (substances) into constituent elements or parts
regard as unconnected	break down
part; cease or break association with	lose a stored charge, magnetic flux, or current