一礼[ichirei] bow (salute, greeting)
家礼[kerai] retainer
回礼[kairei] going from door to door greeting relatives and friends
割礼[katsurei] circumcision (male)
儀礼[girei] etiquette

儀礼的[gireiteki] formal
儀礼兵[gireihei] guard of honor
虚礼[kyorei] empty (useless) formalities
偶像礼拝[guuzoureihai] idolatry
軍礼[gunrei] military honors

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