词根词缀：cosmo-, cosm-, cosmico-, cosm, -cosmia, -cosmos, -cosmic, -cosmics, -cosmical, -cosmology, -cosms

【来源及含义】Greek: kosmos, cosmos; "world, universe" [from its "perfect order and arrangement"]; to order, to arrange, to adorn; well-ordered, regular, arranged

【同源单词】acosmic, acosmist, anticosmetic, biocosm, biocosmetics, cosmecologist

词根词缀：-ics, -tics [-ac after i]

【来源及含义】Greek: a suffix that forms nouns and is usually used to form names of arts and sciences

【同源单词】acoustics, acoustoelectronics, acousto-optic, actinogenics, actinotherapeutics, actinotherapy

词根词缀：naus-, nau-, naut-, -naut, -nautical, -nautics

【来源及含义】Greek: ship; sailor; navigation

【同源单词】ad nauseam, aeronausiphobia, aeronaut, aeronautics, aeronautism, aquanaut