1. *–s 1) 3rd person singular: works 2) plural: bags 3) forming adv.: nights, besides, outdoors, nowadays, upstairs, unawares （不影響重音）
2. saccharo- sweet: saccharin, saccharine, sacchroid
3. *–sacr-, -secr- sacred: consecration, desecrate, sacrifice, sacrilege
4. –sagac- wise: sagacity, sagacious
5. –sal- salt: salary, salad, salify, saline, salinity, saltern
6. –salut- 1) greet: salute 2) health: salutary
7. –sali-, -sili- leap: salient, resilient
8. –salv- safe: salvation, salvage
9. –san- health: sanitary, sanity, insane
10. –sanct- sacred: sanction, sanctify, sanctimonious
11. –sanguin- blood: consanguinity, sanguine, sanguineous, consanguineous, sanguinin, ensanguine
12. –sapi- sensible: sapient
13. sapro- decay, death: saprobe, saprogenic
14. *-sat-, -satis-, -satur- enough: satisfy, satiate, insatiable, saturate, insatiate, satisfactory, dissatisfied, saturation, unsaturated
15. *–scape: scenery: landscape, cityscape
16. *–scend-, -scent, -scens- climb: ascend, ascent, ascension, ascendancy, descent, condescension, transcend, transcendental, descend, descendant, condescend
17. –schol- school: scholar, scholastic
18. schizo- split: schizoid, schizophrenia
19. *–sci- know: science, subconscious, conscience, unconscious, omniscient, nescient, prescience, pseudoscience
20. sclero- hard: scleroderma
21. –sclerosis 硬化: arteriosclerosis
22. –scop- observe: telescope, microscope
23. *–scrib-, -script- write: describe, description, descriptive, manuscript, scripture, subscribe, subscriber, subscription, conscribe, conscription, inscribe, inscription, postscript, transcript, circumscribe, scribe, prescribe, prescription, nondescript
24. –scrut- examine: scrutiny
25. *se- away from, apart from, without: seclude, secure, seduce, select
26. *–sed-, -sid-, -sess- sit: sedentary, sedate, president, reside, obsessive, session, resident, subside, subsidy, dissident, assiduous
27. *–seg-, -sect- cut: section, segment, bisect, insect, sectional, vivisect
28. selen- 硒: seleniferous, selenide
29. seleno- moon: selenography
30. *self- to, of, for self: self-reliance, self-sufficiency
31. –sem- sign: seme, semantics, semiotics
32. –sembl- together: resemble, assembly, ensemble
33. *semi- half: semicircle, semifinal, semiconductor, semiweekly, semiliterate
34. *–semin- seed: seminal, disseminate
35. *–sen- old: senile, senator, senior, senility, senesce, senescence
36. *–sens-, -sent- perceive: assent, sensual, sensuous, consent, sentient, sentiment, sentimental, consentient, dissent, dissenter, resent, resentful, presentiment, sense, sensible, sensibility, sensitive, sensory, insensible, sensitize, desensitize, extrasensensory
37. *sept- [also septi- or septem-] seven: September, septangle, septilateral
38. *–sequ-, -secut-, -sec-, -sue follow: sequence, consequently, execute, obsequious, pursue, second, secondary, persecute, prosecutor, persecutor, consecutive, sequential
39. –sert- join: assertive, insert, desertion, exert
40. *–serv- save: conserve, preserve, preservation
41. –servi-, -serv- slave: servile, service, serviceable, servitude, disserve, disservice, subserve
42. –sever- 1) strict: persevere 2) separate: dissever
43. *sexa- six: sexagenarian
44. *she- female: she-wolf
45. *–ship: state, position, condition, collective noun: membership, leadership, readership, hatdship, citizenship, dictatorship （不影響重音）/Fip/
46. *–sign- sign: assign, resign, consign, signature
47. –simil-, –simul- similar: assimilate, similar, similitude, simile, simultaneous, simulation
48. -singul- one: singularity, singular
49. –sinu- curve: sinuous, insinuate
50. *Sino- [Sin- before a vowel]Chinese: Sinologist, Sinicize, Sinophile
51. *-sion n. usually derived from v. ending in –d, -de or –t: intrusion, invasion, persuasion （重音’- sion）/Vn/
52. *–sist- see –st-
53. –sito- [-sit- before a vowel] food: sitology, parasite, parasitic
54. *-sive adj. of n. ending in –sion: submissive, intrusive （重音同原動(dòng)詞）/siv/
55. *–smith: maker: blacksmith, goldsmith
56. –soci- companion: associate, dissociate
57. *socio- social: sociolinguistic
58. *–sol- 1) alone: solo, soloist, soliloquy, desolate, desolation 2) sun: solar, parasol, solace, consolation, solarium, insolate, subsolar, extrasolar
59. –solid- solid: solidarity, solidify
60. *–solv-, -solut- loose, pay: resolve, resolute, dissolute, solvent, absolve
61. *–some 1) substance: chromosome 2) adj. troublesome, awesome, lonesome （不影響重音）/s[m/
62. -somn- sleep, dream: insomnia, somnambulism, insomniac, insomnious, somnipathy, somniloquy, somnolent, somnolence
63. *–son- sound: supersonic, subsonic, sonorous, sonar, sonic, supersonic, subsonic, dissonant, dissonance, resonant, resonate, resonator, sonics
64. –soph- wise, wisdom: philosopher, pansophic, sophism, sophistry
65. –sort- select: assort, consort, resort
66. –sper- hope: desperate, desperado, despair, prosper, desperation
67. –spac-, -spat- space: spacious, spatial
68. *–speak jargon: newspeak
69. spectro- 光譜: spectrum, spectroanalysis
70. sper- hope: despair, desperate
71. –spers- scatter: disperse, dispersion, sparse, asperse, dispersive, intersperse
72. –splend- shine: splendid, splendor, resplendent
73. *–sphere circle: atmosphere, hydrosphere
74. sphygmo- pulse: sphygmometer
75. *–spic-, -spect-, –spec- look, see: conspicuous, respect, perspective, perspicacious, specious, spectacle, prospect, prospective, inspect, inspection, expect, expectant, respectable, suspect, circumspect, conspectus, retrospective, introspection, suspicious
76. *–spir- breath, air, soul: inspiration, respire, spirit, perspire, expiry
77. spiro- spiral:
78. –spoken speaking in the stated way: soft-spoken
79. –spol-, -spoil- rob, spoil: despoil, spoliation
80. *–spond-, -spons- answer: respond, responsive, correspond
81. *–st-, -sist-, -stat- stand: constant, resist, persistence, desist, consist, resistible, assist, exist, insist, static, station, status, stature, statute, desist, contrast, rest, armistice, distance, interstice, circumstance, stationary, stable, establish, apostate, obstacle
82. –stagn- pond: stagnant, stagnate
83. –stas-, still [adj.]: hemostasis,
84. –stell- star: constellation, stellar, interstellar, stellate
85. steno- narrow, few: stenotherm, stenography
86. *step- related through a remarriage: stepmother, stepsister
87. *–ster n. person, somtiems derogatory: youngster, rhymester, spinster, trickster, rhymester, gangster （不影響重音）/st[/