词根词缀：-ance, -ancy

【来源及含义】Latin: often through French, quality or state of; being; condition; act or fact of _______ ing; a suffix that forms nouns

【同源单词】aberrance, absorbance, absorptance, abundance, acceptance, accordance

词根词缀：form-, -form, forma-, format-

【来源及含义】Latin: shape, structure, figure, outer appearance, composition, to compose; visual appearance; spacial arrangement; to develop or to acquire; to produce

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

【同源单词】acariform, Acariformes, Accipitriformes, aciculiform, aciform, acinaciform

词根词缀：per-

【来源及含义】Latin: through, across, over; beyond, by means of

【同源单词】Ad astra per aspera, Ad augusta per angust, Ad perpetuam rei memoriam, Ad virtutem per sapientiam, ampersand, antiperspirant