词根词缀：-cide, -cides, -cidal

【来源及含义】Latin: a suffix; kill, killer; murder, to cause death, slayer; cutter; “to cut down”

【相关描述】Don’t confuse this element with the another -cide that means “to cut”; although -cide, “death”, is related to -cise, -cide, “to cut down”.

【相关词根词缀】 Related "death, dead; kill" units: lethal-; mort-; neci-; necro-; phono-; thanato-.

【同源单词】aborticide, acaricide, adulticide, algaecide, algicide, algiocide

词根词缀：eco-, oeco-, oec-

【来源及含义】Greek: house, household affairs [environment, habitat], home, dwelling; used in one extensive sense as, "environment"

【相关词根词缀】Related "home; house" word units: domo-; ecdemo-; nosto-.

【同源单词】agroecologist, agroecology, autecological, autecology, bioecological, bioecologist