词根词缀：-mach, -machy, -machies, -machia, -machist, -machic, -machical

【来源及含义】Greek: battle, war; fight; contest

【相关词根词缀】 Related "war, war-like" or "battle" word units: areo-; belli-; milit-.

【同源单词】alectryomachy, andromachy, angelmachy, arctomachy, batrachoherpetomachia, batrachoherpetomachy

词根词缀：pneumato-, pneumat-

【来源及含义】Greek: air, wind, breath; presence of air; spirit

【相关词根词缀】 Word units related to breath and breathe: hal-; pneo-; 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-; pneo-, -pnea; turb-; vent-; zephyro-.

【同源单词】apneumatic, cardiopneumatic, hydropneumatic, hydropneumatosis, pneumatic, pneumatics