后缀：-acious [形容词后缀]

表示有...性质的、属于...的、如...的、具有...的

rapacious 掠夺的

vivacious 活泼的，有生气的

sagacious 聪明的

capacious 容量大的

sequacious 盲从的

loquacious 多言的

veracious 真实的

edacious 贪吃的

audacious 胆大的

后缀：-ious [形容词后缀]

表示属于...的、有...性质的、...的，同-ous

contradictious 相矛盾的

malicious 恶意的

laborious 勤劳的

spacious 宽敞的

rebellious 反叛的

curious 好奇的

burglarious 夜盗的

anxious 焦急的

contagious 传染的

specious 外观美丽的

后缀：-itious [形容词后缀]

表示有...性质的，属于...的、具有...的，意义与-ous同

suppositious 想象的，假定的

cementitious 水泥的

adventitious 外来的，偶然的

factitious 人为的

expeditious 急速的

nutritious 有营养的

fictitious 虚构的

词根词缀：-acious

【来源及含义】Latin: suffix; forming adjectives; inclined to, given to, tendency to be, abounding in

【同源单词】alliacious, audacious, capaciously, ceracious, difficacious, efficacious

词根词缀：-farious

【来源及含义】Latin: to speak; utterance, expression, manifestation; expressed in a number of ways

【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-; 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】bifarious, bifariously, multifarious, multifariously, nefarious, nefariously

词根词缀：-itious

【来源及含义】Latin: a suffix; tending to, characterized by

【同源单词】adventitious, expeditious, fictitious

词根词缀：-ous, -ious, -eous

【来源及含义】Latin: full of or having the qualities of; in chemistry, a suffix denoting that the element indicated by the name bearing it, has a valence lower than that denoted by the termination -ic; as, nitrous, sulphurous, etc., as contrasted with nitric, sulphuric, etc.

【相关描述】Only a small number of the hundreds of examples are presented because there are just too many to include at this time.

【同源单词】abdominous, abiogenous, ablepharous, abstemious, acanthaceous, acanthocephalous

词根词缀：piet-, pious-

【来源及含义】Latin: from pius, dutiful, dutiful conduct; kind, kindness; devout; compassion

【同源单词】expiable, expiate, expiation, expiatory, impiety, impious

词根词缀：tend-, tendo-, ten-, teno-, tenot-, tenonto-, tens-, tent-, -tend, -tension, -tent, -tense, -tensive, -tentious

【来源及含义】Greek > Latin: to move in a certain direction; to stretch, to hold out; tension; as well as tendon, sinew

【同源单词】Achilles tendon, achillotenotomy, attend, attendance, attendance, attendant