• 隙すき

  gap, opening, room, space

• 隙間すきま

  gap, opening, aperture, crevice, crack, chink, space

• 隙ひま

  gap, opening, space

• 隙げき

  gap, opening, space

• 隙見すきみ

  peeping

• 細隙さいげき

  slit, interstice, narrow aperture

• 空隙くうげき

  vacant space, aperture, gap, opening

• 寸隙すんげき

  spare time, spare moment

• 穴隙けつげき

  crevice, aperture

• 間隙かんげき

  gap

• 隙ありすきあり

  chink in the armor (armour)

• 隙間風すきまかぜ

  draft, draught, cold air entering through the crack of a door or window

• 間隙比かんげきひ

  void ratio

• 孔隙率こうげきりつ

  porosity

• 隙間市場すきましじょう

  niche market

• 隙間の神すきまのかみ

  God of the gaps

• 隙間商品すきましょうひん

  niche product

• 隙間産業すきまさんぎょう

  niche industry

• 隙間なくすきまなく

  closely, compactly, leaving no space

• 隙間時間すきまじかん

  spare moment, free time, interval, break

• 隙をつくすきをつく

  to exploit a gap (in attention, security, etc.), to catch off guard

• 隙を見るすきをみる

  to wait for an opportune moment, to bide one's time, to see one's chance

• 潜在空隙せんざいくうげき

  potential space

• 隙も与えずすきもあたえず

  before one could, in no time at all, without a gap

• 隙をうかがうすきをうかがう

  to watch for an unguarded moment

• シナプス間隙シナプスかんげき

  synaptic cleft

• 油断も隙もないゆだんもすきもない

  one must constantly be on one's guard with ..., one cannot be too careful of ...

• 一分の隙もないいちぶのすきもない

  without any weak spot, watertight (e.g. reasoning), impeccable

• 白駒の隙を過ぐるが如しはっくのげきをすぐるがごとし

  time flies, like watching a white horse run by through a gap in the wall (Zhuangzi)

• 隙目すきめ

  gap, opening, crevice, crack

• 填隙てんげき

  caulking, calking

• 罅隙かげき

  crack, slit, crevice, crevasse