2 syllables:
bessus, bless us, dessus, desus, nessus, plessis, tessas, tresis

3 syllables:
au-dessus, camdessus, codesys, contessas, iesus, impress us, marquesas, noesis, pardessus, prosthesis, recessus, transgresses

4 syllables:
arthrodesis, chersonesus, epithesis, hysteresis, pleurodesis, synderesis

5 syllables:
diapedesis, iridodesis, preadolescence

6 syllables:
apocarteresis, armand jean du plessis

7 syllables:
epiphysiodesis

2 syllables:
crevice, precious, preface, reface

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, benefice, monecious

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, homoecious

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

6 syllables:
magnetic resonance, indirect evidence, dicotyledonous

7 syllables:
circumstantial evidence

8 syllables:
artificial intelligence