Nouns

(n)bleachthe whiteness that results from removing the color from something“a complete bleach usually requires several applications”
(n)bleaching agent, bleach, blanching agent, whiteneran agent that makes things white or colorless
(n)bleachthe act of whitening something by bleaching it (exposing it to sunlight or using a chemical bleaching agent)

Verbs

(v)bleach, bleach out, decolor, decolour, decolorize, decolourize, decolorise, decolourise, discolorize, discolourise, discolorisecause to become white or lighter in color“The sun bleached the red shirt”
(v)bleachmake whiter or lighter“bleach the laundry”