deletion vs censoring

deletion and censoring both are nouns.

Word	Noun	Adjective	Verb	Adverb
deletion	Yes	No	No	No
censoring	Yes	No	No	No

As nouns, censoring is a hyponym of deletion; that is, censoring is a word with a more specific, narrower meaning than deletion:

deletion: the act of deleting something written or printed
censoring: deleting parts of publications or correspondence or theatrical performances

Other hyponyms of deletion include castration, expurgation, censorship, erasure, expunction, expunging.

deletion (noun)	censoring (noun)
the act of deleting something written or printed	deleting parts of publications or correspondence or theatrical performances
the omission that is made when an editorial change shortens a written passage	counterintelligence achieved by banning or deleting any information of value to the enemy
(genetics) the loss or absence of one or more nucleotides from a chromosome
any process whereby sounds or words are left out of spoken words or phrases