Root MeaningWordDefinitionSomnSleep *Insomnia (n)Chronic inability to fall asleep or remain asleep for an adequate length of time.*Somnolent (adj.)Drowsy; sleepy. Inducing or tending to induce sleep; soporific. Somnambulist (n)Someone who sleepwalksSonSoundSonic (adj.)Of or relating to audible sound. Having a speed approaching or being that of sound in air. Extremely exciting and fast-pacedConsonance (n)Agreement; harmony; accord. Close correspondence of sounds. The repetition of consonants or of a consonant pattern, especially at the ends of words, as in blankand thinkor strongand string.*Dissonance (n)A harsh, disagreeable combination of sounds; discord. Lack of agreement, consistency, or harmony; conflictAssonance (n)Resemblance of sound, especially of the vowel sounds in words. The repetition of identical or similar vowel sounds, especially in stressed syllables, with changes in the intervening consonants, as in the phrase tilting at windmills.Rough similarity; approximate agreement. *Sonorous (adj.)Having or producing sound. Having or producing a full, deep, or rich sound. Impressive in style of speech.Resonate (v)To relate closely or harmoniously. To call to mind a feeling of shared emotion or belief. Soph WisdomPhilosopher (n)A student of or specialist in philosophy. A person who lives and thinks according to a particular philosophy. A person who is calm and rational under any circumstances. *Sophistry (n)A reasonable but misleading or untrue argument.Sophisticated (adj.)Highly complicated or developed. Having a refined knowledge of the ways of the world cultivated especially through wide experience*Sophomoric (adj.)Exhibiting great immaturity and lack of judgment Spec, spicSee, Look Spectator (n)An observer of an event.*Circumspect (adj.)Heedful of circumstances and potential consequences; prudent.Retrospective (adj.)Looking back on, or directed to the past. Looking or directed backward. Applying to or influencing the past. Influencing or applying to a period prior to enactment. Perspective (n)A view. A mental view or outlook. The appearance of objects in depth as perceived by normal binocular vision. The relationship of aspects of a subject to each other and to a whole. A point of view. The ability to perceive things in their actual interrelations or comparative importance.*Perspicacious (adj.)Clear-sighted, shrewd, sharp intelligenceSperHopeProsper (v)To be fortunate or successful, especially in terms of one's finances; thrive.*Prosperous (adj.)Having success; flourishing. Well-to-do; well-off. Favorable.