御守[omamori] charm
井守[imori] newt (esp. the Japanese fire belly newt, Cynops pyrrhogaster)
看守[kanshu] jailer
看守者[kanshusha] jailer
居留守[irusu] pretending to be out

見守る[mimamoru] to watch over
厳守[genshu] strict observance
固守[koshu] clinging
攻守[koushu] offense and defense
子守り[komori] babysitter

おけさ節[okesabushi] style of Japanese folk song associated with Niigata Prefecture
双節棍[nunchaku] nunchaku (two linked fighting sticks)
一音節[ichionsetsu] monosyllable
一節切り[hitoyogiri] one-jointed bamboo musical instrument
音節[onsetsu] syllable

鰹節[katsubushi] katsuobushi
環節[kansetsu] segment (of worm)
関節[kansetsu] joints (knee joint, elbow joint, etc.)
関節リューマチ[kansetsuryuumachi] rheumatoid arthritis
関節炎[kansetsuen] arthritis

貞はる[sadaharu] to harp too long on a subject
貞潔[teiketsu] chastity
貞淑[teishuku] chastity
貞女[teijo] virtuous woman
貞節[teisetsu] chastity

貞操[teisou] chastity
貞操観念[teisoukannen] sense of virtue
貞操蹂躪[teisoujuurin] violation of chastity
童貞[doutei] virginity (esp. of a man)
不貞[futei] unfaithfulness