词根词缀：ortho-, orth-

【来源及含义】Greek: right, straight, correct, true; designed to correct

【同源单词】anorthographic, anorthography, anorthopia, anorthosis, diorthosis, orthergasia

词根词缀：pio-, pi-, pion-

【来源及含义】Greek: fat

【相关词根词缀】Related fat-word units: adipo-; lard; lipo-; obeso-; oleo-; omento-; pimelo-; sebo-; steato-.

【同源单词】pioepithelium, pionemia, Piophila, piorthopnea