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

会則[kaisoku] society or club regulations
回線制御規則[kaisenseigyokisoku] line discipline
学則[gakusoku] school regulations
規則[kisoku] rules
規則を敗る[kisokuwoyaburu] to break the rules

規則正い[kisokutadashii] regular
規則的[kisokuteki] systematic
教則[kyousoku] rules of teaching
禁則[kinsoku] prohibition
原則[gensoku] principle