词根词缀：lethal-, -lethal, -lethally; lethi-, letho-, leth-

【来源及含义】Latin: death, deadly; fatal, lifeless; kill, killing; die, dying; mortal, mortality; destructive

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

【同源单词】hyperlethal, lethal, lethal chamber, lethal dose, lethal injection, lethal mutation

词根词缀：letho-, leth-

【来源及含义】Greek > Latin: lie hidden, secret; forgetfulness, forget, inactive through forgetfulness; also sleepy, drowsy, dull, sluggish

【相关词根词缀】 Related "sleep" units: dorm-; hypno-; narco-; oneiro- (dream); somni-; sopor-. Etymologically related "forget, forgetfulness" word families: aletho-; oblivio-. Related "memory, remember" word families: memor-; mne-.

【同源单词】alethia, lethargic, lethargical, lethargically, lethargize, lethargogenic

词根词缀：mania-, -mania, -maniac, -maniacal, -manic, -manically, -maniacally

【来源及含义】Greek: a specific mental disorder or obsessive preoccupation with something; madness, frenzy; obsession, or abnormal desire for or with something or someone; also, an excessive enthusiasm or fondness for something

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "anger, angry; rage, wrath, fury; rave": fur-, furi-; ira-; lysso-; rab-, rav-.

【同源单词】ablutomania, aboulomania, acromania, acronymania, adipomania, aedoeomania