crumbling, imploding, collapsing, unraveling, decaying, splintering, sundering, disappearing, degenerating, dissolving, ossifying, fraying, fissured, corroding, deteriorating, eroding, destroying, creaking, congealing, fragmenting, evaporating, teetering, rotting, doomed, shrinking, engulfing, tearing, buckling, seeping, falling, shattered, forming, sinking, wobbling, vanishing, foundering, unglued, ruining, deforming, riven, fading, decimating, curdling, metamorphosing, disarrayed, totters, raveling, slipping, putrefy, devouring, exploding, regressing, wrecking, plunging, morphing, lurching, annihilating, diminishing, shrivelling, destabilized, spiraling, depleting, decomposing, warping, rusting, atrophying, darkening, rends, melting, straining, shredded, transforming, dissipating, stagnating, floundering, obliterated, withered, plummeting, atomize, calcifying, desolated, kaput, receding, pockmarked, refracting, crumple, severing, mildewed, permeating, intertwined, caking, fractured, salvaging, roiling, devolving, mutating, reassembling, drifting, encrusting, sputtering, reshaping, enfeebled, attacking, affirm, becoming, observing, com, con, employ, ex, improving, operate, read, tending, central, dividing, experi, hostile, proving, real, suffice, demoralising, demoralizing, powerful, socializing, unmeasurable, unsettling, civilising, contractionary, deflationary, democratizing, depressing, disintegrative, disorienting, disruptive, distracting, evil, expansionary, formative, incalculable, inflationary

atomic number 91, pa, protactinium, protoactinium, saprolite