词根词缀：ichthyo-, ichthy-, -ichth-

【来源及含义】Greek: fish

【同源单词】ichthic, ichthism, ichthus, ichthyarchy, ichthyoacanth, ichthyoacanthotoxin

词根词缀：ornitho-, ornith-, -ornithic, -ornithes, -ornithoid, -ornis, ornis-

【来源及含义】Greek: bird, birds

【同源单词】dinornithic, ichthyornis, notornis, ornighopus, ornighorynchous, ornis