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【せんめん】
washing one's face
水洗【すいせん】
washing with water, rinsing, flushing
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.)
洗面所【せんめんじょ】
washroom, bathroom
洗顔【せんがん】
face-washing
洗車【せんしゃ】
car washing
洗足【せんそく】
washing the feet
皿洗い【さらあらい】
washing-up, dish-washing
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)
水洗い【みずあらい】
washing with cold water (without using soap, etc.)
洗い場【あらいば】
washing place (e.g. for laundry or tableware), place for washing oneself in a bathroom