Also, ch in schism and drachm.
Also, l before m, k, v, f, and d—as in alms, balm, calm, qualm, calf, half, talk, balk, stalk, chalk, walk, folks, salve, halves, calves, could, would, should, almond, salmon.
Also, p before s, and sh, as in pshaw, pseudo, psalm, psalter.
Also, b before t, as debt, doubt, subtle, indebted, undoubted, &c.
And b after m is silent, as lamb, jamb, climb, tomb, womb, numb, thumb, crumb, dumb, plumb, comb, hecatomb, catacomb, currycomb, coxcomb, succumb.
Also, n after m, as column, solemn, autumn, condemn, hymn, &c.
And d before t in stadtholder.
K is often unnecessarily used after c, and t before ch.
T after s is silent in listen, glisten, hasten, chasten, christen, fasten, moisten, thistle, whistle, bristle, castle, nestle, pestle, gristle, jostle, justle, hustle, bustle, rustle, epistle, apostle, mistletoe, forecastle.
C after s is silent in scion, scent, scythe, muscle, sceptre, science, sciatica, sciolism, scissure, scission, scissors, scenery, transcend, descend, descent, viscid, crescent, proboscis, fascinate, viscera, ascetic, excrescence, corpuscle, acquiesce, coalesce, rescission, abscission, putrescence, ascendency, susceptible, irascible, viscidity, eviscerate, lascivious, resuscitate, scimitar, scintillate, phosphoresce, deliquesce, effloresce, effervesce, transcendent, condescend, condescension, convalescence, concupiscence, reminiscence, acquiescent, iridescent, arborescent, susceptibility, scenography, sciography.