- 湿度【しつど】 - level of humidity 
- 湿気【しっけ】 - moisture, humidity, dampness 
- 湿っぽい【しめっぽい】 - damp, humid, wet, gloomy, melancholy 
- 多湿【たしつ】 - high humidity 
- 湿疹【しっしん】 - eczema, rash 
- 湿る【しめる】 - to become damp, to become moist, to become wet, to lack energy, to be in a slump, to be in low spirits, to feel depressed 
- 湿地【しっち】 - damp ground, wetland, bog, marsh 
- 湿原【しつげん】 - marshy grassland, wetlands 
- 陰湿【いんしつ】 - malicious, spiteful, vicious, wicked, devious, underhanded, sly, shady and damp 
- 除湿【じょしつ】 - dehumidification 
- 湿り【しめり】 - dampness, humidity, moisture 
- 湿り気【しめりけ】 - moisture