词根词缀：-oid, -oidal, -oidism, -odic

【来源及含义】Greek: a suffix; like, resembling, similar to, form

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

【同源单词】acanthoid, acanthozooid, acaroid, acidoid, acromegaloidism, acrostichoid

词根词缀：potamo-, potam-

【来源及含义】Greek: river, stream

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "river, stream": amni-; fluvio-; meand-; oceano-; ripari-.

【同源单词】autopotamous, benthopotamous, eupotamic, hippopotamic, hippopotamoid, hippopotamus