• 背せい

  height, stature

• 背せ

  back

• 背広せびろ

  business suit

• 背丈せたけ

  stature, height

• 背中せなか

  back (of the body)

• 背骨せぼね

  spine, backbone, spinal column

• 背信はいしん

  betrayal, infidelity

• 背後はいご

  back, rear

• 背筋せすじ

  spine, line of the backbone

• 背くそむく

  to run counter to, to go against, to disobey, to infringe

• 背任はいにん

  breach of trust, malfeasance, malpractice, misappropriation

• 背景はいけい

  background, scenery, backdrop, setting

• 猫背ねこぜ

  bent back, hunchback, stoop

• 背泳ぎせおよぎ

  backstroke (swimming)

• 背番号せばんごう

  number on the back of a player's uniform, uniform number, shirt number, squad number

• 背負うせおう

  to carry on one's back

• 背が高いせがたかい

  tall (of a person)

• 背もたれせもたれ

  back (of a chair), backrest

• 背そびら

  back (of the body)

• 背側はいそく

  dorsal

• 背甲はいこう

  carapace

• 背嚢はいのう

  knapsack

• 背鰭せびれ

  dorsal fin

• 背点はいてん

  anti-apex, antapex

• 背部はいぶ

  (one's) back

• 背標せひょう

  collating mark

• 背丁せちょう

  signature, print signature

• 背戸せど

  back door, back entrance

• 背圧はいあつ

  back pressure

• 背面はいめん

  rear, back, reverse

• 背痛はいつう

  backache, back pain

• 背高せいたか

  tallness, tall person

• 背幅せはば

  breadth of the back

• 背泳はいえい

  backstroke (swimming)

• 背理はいり

  absurdity, irrationality

• 背筋はいきん

  muscles of the back, back muscles

• 背屈はいくつ

  dorsiflexion, dorsal flexion

• 背離はいり

  estrangement, alienation

• 背革せがわ

  back of a leatherbound book

• 背板せいた

  backboard

• 背約はいやく

  a broken promise, breaking one's word

• 背脂せあぶら

  back fat, fatty upper part of roast pork

• 背馳はいち

  inconsistency, contradiction, disobedience

• 背走はいそう

  running backwards

• 背教はいきょう

  apostasy, renunciation (e.g. of a religion), defection

• 背徳はいとく

  corruption, immorality, lapse from virtue, fall from virtue

• 背水はいすい

  backwater

• 背反はいはん

  revolting, rebellion, going against

• 背臨はいりん

  copying from a model without looking at it (calligraphy)

• 背割せわり

  slicing a fish down its back