洗う【あらう】
to wash, to cleanse, to rinse, to inquire into, to investigate, to purify (one's heart), to lave (e.g. shore), to wash over (e.g. deck), to sweep
洗濯【せんたく】
washing, laundry, relaxing, taking a break
洗剤【せんざい】
detergent, cleanser, cleaning agent, washing material
洗濯機【せんたくき】
washing machine, (clothes) washer
洗い上げる【あらいあげる】
to finish washing, to wash well, to investigate thoroughly
洗礼【せんれい】
baptism, christening, initiation (into a society, group, etc.), baptism, one's first experience of something, baptism (by fire, etc.)
合成洗剤【ごうせいせんざい】
synthetic detergent
洗面所【せんめんじょ】
washroom, bathroom
手洗い【てあらい】
washing one's hands, water (or basin, etc.) for washing one's hands, restroom, lavatory, toilet, hand-washing (laundry, etc.)
洗面【せんめん】
washing one's face
水洗【すいせん】
washing with water, rinsing, flushing
洗顔【せんがん】
face-washing
洗車【せんしゃ】
car washing
皿洗い【さらあらい】
washing-up, dish-washing
洗足【せんそく】
washing the feet
洗い直す【あらいなおす】
to wash again, to reconsider
洗髪【せんぱつ】
washing one's hair, having a shampoo
洗面器【せんめんき】
wash basin, wash bowl (incl. portable bowl in a public bath)
洗い場【あらいば】
washing place (e.g. for laundry or tableware), place for washing oneself in a bathroom
水洗い【みずあらい】
washing with cold water (without using soap, etc.)