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

謹んで[tsutsushinde] respectfully
謹賀新年[kingashinnen] Happy New Year!
謹啓[kinkei] Dear Sir or Madam
謹言[kingen] Yours Sincerely ...
謹慎[kinshin] penitence

謹製[kinsei] quality product
謹聴[kinchou] listening attentively
謹呈[kintei] humbly presenting
重謹慎[juukinshin] close confinement (in one's barracks)
謹み[tsutsushimi] modesty