単語の"-ch-"は、[ʧ-]、[ʃ-]、[k-]のいずれかで発音します。 綴りだけで簡単に判定できる規則は見つかりません。

[ʧ-], chair, channel, check, child, choke, church, (他にもたくさんあります),

[-ʧ-], merchant, Apache, niche, Archie, eschew, (他にもたくさんあります),

[-ʧ], teach, attach, speech, rich, welch [wé lʧ, wé lʃ], zilch, French, inch, brooch, arch, etch, much, (他にもたくさんあります),

[ʃ-], chagrin, champagne, chandelier, chaperone, charade, charlatan, chartreuse, chateau, chauffeur, chauvinism, chef, chic, chivalrous, chute, (だいたい以上です),

[ʃ-], cache, machine, schale, (だいたい以上です),

[k-], chameleon, chamomile, chaos, character, charisma, chemist, chiropractor, chlorine, chloroform, choir [kwaɪɚ], cholera, chorus, Christ, chrome, chronic, chrysalis, (以上とその派生語です),

[-k-], ache, echo, Michel, lichen, anchor, archive, scheme, school, (他にもすこしあります),

[-k], stomach, tech, zurich, Murdoch, monarch, (他にもすこしあります),

(例外、発音しない), yacht,

単語の"-ci-"は、[-saɪ-]、[-sɪ-]、[-sɚ-], [-ʃ-]のいずれかで発音します。 おおまかには、後続の綴りで判定できるようですが、例外もあります。

[saɪ-], cider, cipher, cite,

[-saɪ-], decide, science, society, disciple, concise, excite, criticize,

[sɪ-], ciger, cinch, cistern, city, civic,

[-sɪ-], icicle, accident, agencies, specify, pencil, decimal, medicine, sociology, discipline [-sə-], decision, scissors, solicit,

[sɚ-], circle,

[-ʃ-], special, magician, associate, ancient, suspicion, delecious, conscious,

"-sion"の発音は、[-ʃən]と[-ʒən]の二通りです。

[-ʃən] repulsion, convulsion, revulsion, mansion, expansion, comprehension, dimension, pension, suspension, tension, extension, passion, compassion, dispassionate, succession, recession, concession, procession, confession, profession, aggression, congressional, depression, repression, impression, compression, oppression, expression, session, obsession, possession, mission, submission, admission, emission, commission, omission, permission, intermission, transmission, concussion, percussion, discussion,

[-ʒən] occasion, persuasion, invasion, decision, precision, circumcision, collision, vision, television, revision, division, provision, supervision, explosion, erosion, immersion, version, aversion, conversion, perversion, recursion, excursion, fusion, confusion, inclusion, conclusion, exclusion, delusion, allusion, illusion, disillusion, collusion, intrusion,

単語の"-ss-"は、[-s-]、[-z-]、[-ʃ-]のいずれかで発音します。

"ss-"で始まる単語は見つかりません。,

[-s-], message, assert, vessel, assist, classic, associate, lesson, assum, brassy,

[-s], class, less, impress, kiss, boss, fuss,

[-z-], scissors, possess [pəˈzes],

[-ʃ-], passion, compassion, dispassionate, recession, concession, procession, confession, profession, aggression, congression, depression, repression, impression, compression, oppression, expression, session, obsession, succession, possession, mission, submission, admission, emission, commission, omission, permission, intermission, transmission, concussion, percussion, discussion,

[-ʃ-], issue, tissue,

[-ʃ-], assure, pressure,

単語の"-su-"の"s"は、[-s-], [-z-],[-ʃ-], [-ʒu-], [-ʒɚ]で発音します。

[s-], sub, success, sudden, suede, sufficient, suggest, suit, sulk, sum, sun, super, surface, suspend,

[-s-], persuade, ensue, peninsula, consult, consume, absurd, resurgence, census, versus,

[-z-], result, resurrect, resume, presume, Jesus,

[ʃ-], sugar, sure,

[-ʃ-], issue, tissue, assure, pressure, insure,

[-ʒu-], casual, visual, usual,

[-ʒɚ], measure, treasure,

"-sure"の発音は、[-ʃʊr, -ʃɚ]と[-ʒɚ]の二通りです。

[-ʃʊr] sure [ʃʊr, ʃɚ], cocksure, ensure, censure [-ʃɚ], insure, unsure, assure, reassure,

[-ʒɚ] pleasure, measure, treasure, leisure, disclosure, enclosure, exposure,

単語の綴りからは[-s-]と発音するはずだが、実は[ʃ]となる例外です。

("-ce-"が [s]でなく[ʃ]となる例外), ocean [-ʃ-],

("-ci-"が [s]でなく[ʃ]となる例外), financial [-ʃ-], vicious [-ʃ-],

("-ss-"が [s]でなく[ʃ]となる例外), issue [-ʃ-], assume [-ʃ-],

単語が"sch-"で始まる場合の発音は、[s-, sk-]または[ʃ-]となります。

[s-, sk-], schism [sizm, skizm] ([s]となる例外),

[ʃ-], schlep (informal), schlock (informal), schmaltzy (informal), schmooze (informal), schmuck (informal), schnapps (informal),

単語の"-ti-"は、[-taɪ-]、[-tɪ-]、[-tɚ-]、[-ʃ-]のいずれかで発音します。 明確に判定できるような規則はありません。

[taɪ-], tide, tie, tiger, tile, time, tine, tire, title,

[taɪ-], necktie, entire, entitle,

[tɪ-], tiara [ti-], ticket, tidbit, tier, tiff, tilt, timber, tin, tin, tissue, titter,

[-tɪ-], compatible, notice, frontier, mortify, investigate, still, optimist [-tə-], instinct, ratio, multiple, critique, entire, satisfy, latitude, active,

[tɚ-], stir,

[-ʃ-], essential, Egyptian, initiate, patient, station, cautious,

単語に"-x-"か含まれる場合の発音は、[-ks-]または[-gz-] [-kʃ-][-ŋz-]となります。

[-ks-], excavate, except, excuse, axe, execute, exercise, Oxford, exhale, expect, lexical, approximate maximum, axiom, axis, saxophone, next, text, extend, galaxy,

[-gz-], exact, example, exhaust, exhibit, exist, exotic,

[-kʃ-], anxious [æŋkʃəs], sexual, luxury,

[-ŋz-], anxiety [æŋzáɪəti],

[s]と[ʃ]が違う単語例

sake [seɪk], shake [ʃeɪk],   sea [si], see [si], she [ʃi],   seat [sit], sheet [ʃit],   seep [sip], sheep [ʃip],   sell [sel], shell [ʃel],   sip [sɪp], ship [ʃɪp],   sit [sɪt], shit [ʃɪt],   sore [sɔɚ], shore [ʃɔɚ],   lease [lis], leash [liʃ],  

単語の最後の音が[s]で、次の単語の先頭音が[ʃ]または[y]のときは、 [s]と[ʃ]または[y]が繋がって一つの[ʃ]になってしまいます。

guess you, miss you, this your bag, this shop, this should, this shows, tennis shoes, six ships, balance sheet, nice shirt, nice yellow shirt,