词根词缀：nox-, noxi-, noc-, nui-, nec-

【来源及含义】Latin: harmful, to do harm; injury, injurious; hurt, damage

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "wound, harm, hurt, injure": noci-; traumat-; vulner-.

【同源单词】innocence, innocency, innocent, innocently, innocuous, innocuously

词根词缀：ob-2

【来源及含义】Latin: against

【相关描述】Before c, ob- becomes oc-; before f, ob- becomes of-; before g, ob- becomes og-; before p, ob- becomes op-; before m, ob- becomes o-

【同源单词】obduracy, obdurate, object, objection, objectionable, objective

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