stomach, mouth, opening
| prefix | prefix meaning | root | suffix | word |
| stom | a | stoma | ||
| stom | al | stomal | ||
| stom | ata | stomata | ||
| stom | ata+al | stomatal | ||
| stom | ate+ic | stomatic | ||
| stom | at+itis | stomatitis | ||
| stom | ate+ous | stomatous | ||
| stom | ian | stomian | ||
| mono | mono-: one, single, alone | stom | monostome | |
| mono | mono-: one, single, alone | stom | ous | monostomous |
| ana | ana-: up, against, back | stom | osis | anastomosis |
| di | di-: two, twice, or double | stom | distome | |
| micro | micro-: extremely small | stom | ous | microstomous |
| peri | peri-: around, about, enclosing | stom | peristome | |
| pro | pro-: forward, forth, toward the front | stom | ium | prostomium |