dissimilation vs catabolism

dissimilation and catabolism both are nouns.

Word	Noun	Adjective	Verb	Adverb
dissimilation	Yes	No	No	No
catabolism	Yes	No	No	No

As nouns, dissimilation and catabolism are synonyms defined as:

dissimilation and catabolism: breakdown in living organisms of more complex substances into simpler ones together with release of energy

Other synonyms of dissimilation include destructive metabolism, katabolism.

dissimilation (noun)	catabolism (noun)
breakdown in living organisms of more complex substances into simpler ones together with release of energy	breakdown in living organisms of more complex substances into simpler ones together with release of energy
a linguistic process by which one of two similar sounds in a word becomes less like the other