4 Syllablesability, agility, anility, civility, debility, docility, facility, fertility, fragility, futility, gentility, hostility, humility, lability, mobility, nobility, puerility, scurrility, senility, stability, sterility, tensility, tranquillity, utility, virility
5 Syllablescapability, contractility, credibility, disability, fusibility, imbecility, immobility, inability, incivility, instability, juvenility, legibility, liability, notability, permeability, portability, possibility, probability, readability, risibility, sensibility, solubility, visibility, volatility
6 Syllablesacceptability, accessibility, accountability, amiability, availability, compressibility, divisibility, eligibility, excitability, impossibility, improbability, infallibility, insensibility, irritability, respectability, responsibility, sociability, susceptibility
7 Syllablesimpenetrability, intelligibility