痔瘻[jirou] anal fistula
胃瘻[irou] gastric fistula

直腸膣瘻[chokuchouchitsurou] rectovaginal fistula
瘻管[roukan] fistula

直向[hitamuki] earnest
安直[anchoku] inexpensive
一直[icchoku] lining out to first base
一直線[icchokusen] straight line
鉛直[enchoku] perpendicular

下駄直し[getanaoshi] repairing clogs
開き直る[hirakinaoru] to become defiant
気を取り直す[kiwotorinaosu] to completely rethink
急転直下[kyuutenchokka] suddenly and precipitately
居直る[inaoru] to sit up properly straight

胃腸[ichou] stomach
回腸[kaichou] ileum
結腸[kecchou] colon
鼓腸[kochou] flatulence
十二指腸[juunishichou] duodenum

十二指腸虫[juunishichouchuu] hookworm
大腸[daichou] large intestine
脱腸[dacchou] abdominal hernia
断腸[danchou] heartbreak
断腸の思い[danchounoomoi] heartbroken thoughts

トリコモナス膣炎[torikomonasuchitsuen] vaginal trichomoniasis
カンジダ膣炎[kanjidachitsuen] candidal vaginitis
膣液[chitsueki] vaginal secretion (during arousal)
膣分泌液[chitsubunpitsueki] vaginal secretion (during arousal)
膣排気音[chitsuhaikion] vaginal flatulence

直腸膣瘻[chokuchouchitsurou] rectovaginal fistula
直腸膣[chokuchouchitsu] rectovaginal
膣カンジタ症[chitsukanjitashou] vaginal yeast infection
膣けいれん[chitsukeiren] vaginismus