bleaching agent vs blanching agent

bleaching agent and blanching agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
bleaching agent	Yes	No	No	No
blanching agent	Yes	No	No	No

As nouns, bleaching agent and blanching agent are synonyms defined as:

bleaching agent and blanching agent: an agent that makes things white or colorless

Other synonyms of bleaching agent include bleach, whitener.

bleaching agent (noun)	blanching agent (noun)
an agent that makes things white or colorless	an agent that makes things white or colorless