Page 4: interlocking, deflagration, arthrography, sustentation, psychologist, belligerence, segmentation, augmentation, preservative, psychiatrist, deactivation, Bougainville, incrustation, pigmentation, flocculation, bewilderment, insurrection, indiscretion, potentiation, Anthropoidea, astrophysics, carelessness, psephologist, consummation, imprisonment, infiltration, lovesickness, congregation, consultation, supercharger, chiropractic, dispensation, arthroplasty, astronautics, disinfectant, malformation, genuflection, rhododendron, postposition, racketeering, Themistocles, perturbation, metalanguage, Brunelleschi, thermocouple, propitiation, entanglement, quantization, liquefaction, and tracheostomy
This is a polysyllable words list.