14. -ise, unstrest, pronounced [ɨs]. General Rule: Omit e. anis, mortis, practis, premis, promts, treatis.
15. -ise or -ize (from Greek), pronounced [aɪz], suffix of verbs. General Rule: Choose -ize. Examples: civilize, criticize, exorcize, legalize, organize, etc.
16. -ite, unstrest, pronounced [ɨt]. General Rule: Omit e. Examples: apposit, definit, infinit, preterit, requisit, etc. When otherwise pronounced, as [aɪt, it], retain -ite.
17. -ive, unstrest or with only subordinate stress, pronounced [ɨv, iv]. General Rule: Omit e. Examples: activ, adjectiv, detectiv, executiv, motiv, nativ, progressiv, adjectivly, etc.
18. -ll or -l (-ill or -il). General Rule: Choose -l. distil, fulfil, instil; like until, compel, impel, etc.
19. -ll- or -l- (-ill- or -il-, -ull- or -ul-), before -fill or -ness. General Rule: Choose -l. skilful, wilful, dulness, fulness.
20. -mb, with b silent. Restricted Rule: Omit b. crum, dum, lam, lim, num, thum.
21. -mn, with n silent. Restricted Rule: Omit n. Autum, colum, solem.
22. oe, œ, or e, not final. General Rule: Choose e. Examples: ecumenical, esophagus, phenix, subpena, etc.; like economy, solecism, etc.
23. -our or -or. General Rule: Choose -or. Examples: ardor, candor, clamor, color, favor, flavor, honor, humor, labor, rumor, tumor, valor, vigor, etc.; also, arbor, harbor, neighbor, etc.
24. ph or f, pronounced [f]. Restricted Rule: Choose f. fantasm, fantasy, fantom, sulfate, sulfur ; like fancy, frantic, frenzy, coffer, coffin, etc., which originally had ph.
25. ph, pronounced [f]. General Rule: Use f. camfor, cifer; alfabet, diafram, pamflet ; autograf, bibliografy, biografy, fonograf, fotograf, paragraf, telegraf, telefone.
26. -rr or -r. General Rule: Choose -r. bur, pur; like cur, fur, blur, slur, spur, car, far,fir, stir, etc.
27. -re or -er, pronounced [əʑ]. General Rule: Choose -er. Examples: accouter, center, fiber, meter, miter, niter, saltpeter, scepter, sepulcher, somber, specter, theater, etc.; like diameter, number, etc.
28. s or z (in the root). Restricted Rule: Choose z. apprize, assize, comprize, enterprise, raze, surprize, teazel. (See alto Rule 15.)
29. s medial, silent. Restricted Rule: Drop s. aile, ile, ilet, iland.
