biggest, bigness, bigots, billets, biscuits, bishops, Christmas, citrus, dearest, digits, fitness, fittest, frigates, grimace, hideous, hillocks, igneous, isthmus, limits, listless, minutes, minutest, mistress, mixes, nearest, nitrous, Philips, pickets, piteous, prettiest, quibus, quickness, richest, rivets, sickness, spinach, strictest, strictness, thickets, thickness, tickets, vicious, viscous, vitreous, witness

bitterest, fickleness, frivolous, limitless, littleness, Michaelmas, rigorous, Spiritus, syllabus, timorous, vigorous, villainous

ambitious, amphibious, archbishops, assiduous, auspicious, bacillus, capricious, delicious, elicits, enigmas, exhibits, eyewitness, factitious, fastidious, fictitious, inhibits, insidious, invidious, judicious, malicious, Mauritius, Narcissus, nutritious, officious, perfidious, pernicious, prestigious, prodigious, prohibits, propitious, religious, seditious, severest, sincerest, suspicious, unfitness, utilise

antithesis, carnivorous, felicitous, indigenous, meticulous, ridiculous, solicitous, vociferous

adventitious, avaricious, expeditious, injudicious, irreligious, superstitious, surreptitious, unpropitious, unsuspicious