沈黙【ちんもく】
silence, being silent, quiet, hush, reticence, inaction
沈下【ちんか】
sinking, subsidence
沈没【ちんぼつ】
sinking, foundering, going down, submersion, getting dead drunk, having too much fun (esp. in a red-light district, etc.) and missing work or neglecting one's duties, staying in one place for a long time
沈着【ちんちゃく】
composure, calmness, self-possession, presence of mind, depositing (at the bottom), deposition, accumulation, adherence
沈滞【ちんたい】
stagnation, inactivity
沈静【ちんせい】
stillness, tranquility, tranquillity, dullness
沈む【しずむ】
to sink, to go under, to submerge, to go down (e.g. sun), to set, to descend, to feel depressed, to become subdued, to become somber
撃沈【げきちん】
(attacking and) sinking (a ship), sending (a ship) to the bottom