词根词缀：dermo-, derm-, derma-, dermato-, dermat-, -derm, -derma, -dermatic, -dermatous, -dermis, -dermal, -dermic, -dermoid, -dermatoid

【来源及含义】Greek: skin

【同源单词】acarine dermatosis, acarodermatitis, achromoderma, achromodermia, acrodermatitis, acrodermatosis

词根词缀：epi-, ep-

【来源及含义】Greek: above, over, on, upon; besides; in addition to; toward; among

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: hyper-; super-, supra-, sur; ultra-, ult-.

【同源单词】anepigraphous, cotyledon, endoepidermal, ephemeral, epibasal, epibasidium

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