勤倹[kinken] industry
倹しい[tsumashii] thrifty
倹しく暮し[tsumashikukurashi] living frugally
倹素[kenso] economical and simple
倹約[kenyaku] thrift

倹約家[kenyakuka] thrifty person
節倹[sekken] economy
恭倹[kyouken] respectfulness and modesty
倹吝[kenrin] miserly, stingy

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