词根词缀：gastr-, gastro-, gaster-, gastero-, gastri-, -gastria-

【来源及含义】Greek: stomach, belly

【同源单词】aerogastria, agastria, agastric, amphigastrium, amphigastrula, arachnogastria

词根词缀：hydro-, hydra-, hydr-, hyd-

【来源及含义】Greek: water

【相关词根词缀】 Cross references of word families that refer to "water": aqua-; hydat-; hygro-.

【同源单词】ahydrotaxis, anhydrase, anhydration, anhydride, anhydrobiosis, anhydrous

词根词缀：-rrhea, -rrhoea, -orrhea

【来源及含义】Greek > Latin: flow, flowing

【同源单词】agalactorrhea, agalorrhea, albuminorrhea, algomenorrhea, amenorrhea, amniorrhea