2 syllables:
battus, batus, brought us, cottus, datis, glottis, gottis, got us, latas, matis, mattice, mottus, nautis, not us, ottis, plautus, scotus, taught us, ta tas

3 syllables:
adatis, aetatis, alatas, azotus, cryptotis, dreadnoughtus, gymnotus, narcotise, peratis, peratis', proglottis, serratus, subglottis, toutatis

4 syllables:
castellatus, chipolatas, dasyatis, elagatis, epiglottis, hypoglottis, lanthanotus, maniatis, periglottis, sandrocottus, supraglottis

2 syllables:
audits, caucus, coccus, goddess, pockets, roccus, rockets

3 syllables:
emphasis, nebulous, elements, hephaestus, tetanus, sedulous, petulance, offenseless, fecklessness, membranous, restlessness, excellence, exodus, evidence, pendulous, recklessness, edifice, detritus, blessedness, helplessness, renascence, precedence, helpfulness, pestilence, tremulous, prevalence, eminence, tenebrous, fretfulness, aesculus, pegasus, endlessness, resinous, credulous, resonance, dreadfulness, elephants, eloquence, pleasantness, regulus, daedalus, gentleness, healthfulness, precipice, petalous, specialness, negligence, tendinous, tenuous, emulous, femaleness, genesis, xenopus, venomous, benelux, elegance, relevance, caracas, chiapas, earth-goddess

4 syllables:
contentiousness, benevolence, inelegance, antecedence, preeminence, beneficence, unpleasantness, affectedness, apetalous, directionless, edematous, shigellosis, state's evidence, maleficence, pink elephants, persepolis, incredulous, irrelevance, intelligence, malevolence, eleven-plus, necessitous, anatropous, genus coccus, gonococcus, isotropous, line one's pockets, melicoccus, orthotropous

5 syllables:
macrocephalous, leptocephalus, atelectasis, conscientiousness, hearsay evidence, hydrocephalus, direct evidence, microcephalous, overemphasis

6 syllables:
magnetic resonance, indirect evidence, dicotyledonous

7 syllables:
circumstantial evidence

8 syllables:
artificial intelligence