词根词缀：feli-, felin-, felino-

【来源及含义】Latin: cat, cats

【相关词根词缀】Cross references of word families that are related directly, or indirectly, to: "cat, cats": aeluro-, eluro-; cat; galeo-; gato-.

【同源单词】felicide, felid, felid, Felidae, feliform, feline

词根词缀：form-, -form, forma-, format-

【来源及含义】Latin: shape, structure, figure, outer appearance, composition, to compose; visual appearance; spacial arrangement; to develop or to acquire; to produce

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; icono-; ideo-; imag-; morpho-; -oid; typo-.

【同源单词】acariform, Acariformes, Accipitriformes, aciculiform, aciform, acinaciform