词根词缀：ala-, ali-, al-

【来源及含义】Latin: wing

【同源单词】ala, alar, alary, alate, aliform, alinasal

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：spheno-, sphen-

【来源及含义】Greek: a wedge; the sphenoid bone, a wedge-shaped bone found at the base of the skull

【同源单词】acanthosphenote, alisphenoid, orbitosphenoid, sphenography, sphenoiditis, sphenophallia