词根：cast, cest, chast = pure（纯洁）

  词根cast来自拉丁语的cast 意为pure。cest,chast是它的变形，同义词根有来自希腊语的cath。

同源词：

1. chaste adj.（想法、言行等）正派的，高尚的；守贞节的；（文风等）简洁朴实的；纯洁的 *chast<cast(=pure)

2. caste n.印度的世袭阶级；(排他的)社会团体；种姓；等级制度

3. castigate [使拉走得干干净净cast(=pure) + ig(=drive)]
  vt.严惩；严厉批评；责打
  castigation n. 惩罚；责打
  The sergeant castigated the private for not shining his shoes.因为没有擦鞋子，中土严厉地批评了卫兵。

4. chastity n.正派，高尚；纯洁；简洁 *chast<cast(=pure)
  chastity belt 贞节带

5. chasten v.通过惩罚使（犯错误的人）改正（或变得更好）；磨炼（人）；使缓和，遏制；使（文章等）简洁朴实 *chast<cast(=pure)

6. chastise v.惩罚；责骂 *chast<cast(=pure)

7. incest n.乱伦 *in(=not),*chast<cast(=pure)
  incestuous 乱伦的

词根词缀：phant-, phanta-, phas-; -phasic, -phant

【来源及含义】Greek: manifest; show, appear, make appear, make visible, display; visible; to show [through], to shine [through]; illustrious

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": blep-; delo-; demonstra-; opt-; -orama; pare-; phanero-; pheno-; scopo-; spec-; vela-, veal-; video-, visuo-.

【同源单词】anaphase, aphanite, aphantic, aphantobiont, biphasic, biphasic sleep

词根词缀：-phasia, -phasic, -phasis, -phasy

【来源及含义】Greek: talk, speak, say

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "talk, speak, speech; words, language; tongue, etc.": cit-; clam-; dic-; fa-; -farious; glosso-; glotto-; lalo-; linguo-; locu-; logo-; loqu-; mythico-; -ology; ora-; -phasia; -phemia; phon-; phras-; Quotes: Language,Part 1; Quotes: Language, Part 2; Quotes: Language, Part 3; serm-; tongue; voc-.

【同源单词】acataphasia, acoustic aphasia, agitophasia, agrammaphasia, allophasia, allophasis

词根词缀：stochast-

【来源及含义】Greek: to aim at, to guess, to conjecture; to aim, to target, to mark

【同源单词】astochastic, stochastic, stochastic analysis, stochastic automaton, stochastic control theory, stochastic cooling