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

一筋道[hitosujimichi] straight road
一筋繩[hitosujinawa] (piece of) rope
横筋[yokosuji] transversal
家筋[iesuji] lineage
括約筋[katsuyakukin] sphincter

筋違い[sujichigai] cramp
筋違い[sujikai] diagonal
筋骨[kinkotsu] muscles (sinews) and bones
筋書[sujigaki] synopsis

御腹[onaka] stomach
異腹[ifuku] child of a different mother
一人腹[hitoribara] taking for granted
横っ腹[yokoppara] side
横腹[yokobara] side

下っ腹[shitappara] abdomen
下腹[kafuku] abdomen
瀉腹[kudaribara] diarrhoea
下腹部[kafukubu] abdomen
割腹[kappuku] disembowelment