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：sauro-, saur-, -saurus, -saurid, -saur,-sauria, -saurian

【来源及含义】Greek: lizard, reptile, serpent; used especially with reference to "dinosaurs"

【相关词根词缀】 A cross reference of other word family units that are related directly, or indirectly, with: "snakes or other reptiles": angui-; coluber-; herpeto-; ophio-; reptil-.

【同源单词】Aachenosaurus, Abelisaurus, Abrictosaurus, Achelousaurus, Acompsosaurus, Acrocanthosaurus