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

ランブル鞭毛虫[ranburubenmouchuu] giardia (flagellate protozoan)
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
いも虫[imomushi] hornworm (caterpillar of a hawk moth)
益虫[ekichuu] useful insect
円虫類[enchuurui] round worms

夏虫[natsumushi] summer insect
蛔虫[kaichuu] roundworm (Ascaris lumbricoides)
害虫[gaichuu] harmful insect
鈎虫[kouchuu] hookworm
寄生虫[kiseichuu] parasite

鰹節[katsubushi] katsuobushi
真魚鰹[managatsuo] butterfish (any fish of family Stromateidae, esp. species Pampus punctatissimus)
鰹木[katsuogi] log on the roof of a shrine set perpendicular to the ridgepole
花鰹[hanagatsuo] dried bonito shavings
鰹の烏帽子[katsuonoeboshi] Portuguese man-of-war (Physalia physalis)

鰹節虫[katsuobushimushi] dermestid beetle
猫に鰹節[nekonikatsuobushi] temptation one can't resist
初鰹[hatsugatsuo] the first bonito of the season
歯鰹[hagatsuo] striped bonito (Sarda orientalis)