词根词缀：niger-, nigri-, negr-

【来源及含义】Latin: the color black

【相关描述】The word "negro" comes from Latin neger through French négre and Spanish and Portuguese negro.

【相关词根词缀】Other related "dark; shadow, shade; black" units: lygo-; melan-; nocti-; nycti-; scoto-; skio-; umbra-.

【同源单词】denigrate, denigrated, denigration, denigrative, denigrator, dignigratory

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