chemical action vs reaction

Other hyponyms of chemical action include acylation, agglutinating activity, agglutination, amylolysis, association, blueing, bluing, calcification, catalysis, contact action, chelation, chemical reaction, chlorination, cleavage, corroding, corrosion, erosion, cracking, deamination, deaminization, decalcification, decarboxylation, de-iodination, demineralisation, demineralization, desalination, desalinisation, desalinization, digestion, dissociation, gasification, gassing, hydrogenation, intumescence, intumescency, swelling, inversion, iodination, chemical mechanism, mechanism, nitrification, peptisation, peptization, photosynthesis, polymerisation, polymerization, precipitation, proteolysis, pyrochemical process, pyrochemistry, sequestration, synaeresis, syneresis, synthesis, transamination, transamination, ferment, fermentation, fermenting, zymolysis, zymosis.