词根词缀：deon-, deont-

【来源及含义】Greek: duty, that which is binding; obligation; necessity

【同源单词】deontic, deontic logic, deontological, deontological ethics, deontologism, deontologist

词根词缀：-ical

【来源及含义】Latin: from -icalis, a suffix that forms adjectives from nouns; of or having to do with; having the nature of; constituting or being; containing or made up of; made by or caused by; like, characteristic of; art or system of thought; chemical terms

【同源单词】abdominovesical, abiological, ableptical, academical, acarological, acarologically