词根词缀：fac-, facil-, fact-, feas-, -feat, -fect, -feit, -facient, -faction, -fic-, -fy, -ficate, -fication

【来源及含义】Latin: to make, to do, to build, to cause, to produce; forming, shaping

【同源单词】Ab officio et beneficio, abortifacient, absorbefacient, absorbifacient, acoustoelectric effect, affair

词根词缀：olfacto-, olfact-

【来源及含义】Latin: to smell; pertaining to the sense of smell; scent; to cause to smell at

【相关描述】From Latin olfactorius, from olfactus, olfacere, "to get the smell of, to sniff"; from olere, "to smell" + facere, "to make, to do".

【相关词根词缀】Inter-related cross references, directly or indirectly, involving word units meaning "smell, odor": arom-; brom-; odor-, odori-; osmo-; osphresio-; ozon-.

【同源单词】anterior olfactory nucleus, electro-olfactogram, fila olfactoria, olfact, olfactant, olfactible

词根词缀：-ory

【来源及含义】Latin: a suffix; of or relating to; like; resembling

【同源单词】accessory, acclamatory, amendatory, bibitory, consolatory, contradictory