Here's what rhymes with metamorphism.

Consider these alternatives

metasomatism / given amphibolite / right granulite / right deformation / relation orogenic / academic magmatism / given sedimentary / century gneiss / price deflagration / relation breccias / ideas volcanism / given basaltic / aortic pegmatites / rights basalts / towards weathering / measuring creolization / relation denudation / operation magmatic / dramatic overlying / lying calcination / relation mineralisation / relation chlorite / right extrusion / conclusion hypoperfusion / conclusion gneisses / prices