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
词根词缀：pneo-, -pnea, -pneic, -pnoea, -pnoeic, -pneo
【来源及含义】Greek: air, wind; breathing
【相关词根词缀】 Word units related to breath and breathe: hal-; pneumato-; pneumo-; psych-; spiro. Cross references of word groups that are related, directly or indirectly, to: "air, wind": aello-; aeolo-; aero-; anemo-; atmo-; austro-; flat-, flatu-; phys-; pneumato-; turb-; vent-; zephyro-.