蒸気 （ジョウキ） steam, vapour, vapor, steamboat, steam locomotive

蒸発 （ジョウハツ） evaporation, disappearance (of a person), vanishing without a trace

燻蒸 （クンジョウ） fumigation, smoking (out)

蒸籠 （セイロ） bamboo steamer, steaming basket, wooden frame holder with reed base used to steam food over a pot, soba served on a small wickerwork tray, wickerwork tray (for serving soba)

せいろ蒸し （セイロムシ） steaming (of food) using a bamboo steamer

蒸す （むす） to steam (food, towel, etc.), to be hot and humid, to be sultry

蒸れる （むれる） to be steamed (properly, e.g. rice), to be stuffy, to grow musty, to get close, to become sweaty, to feel sticky, to moulder

蒸らす （むらす） to cook by steam