different between stinging vs corroding

English

From Middle English styngyng; equivalent to sting +? -ing.

stinging (comparative more stinging, superlative most stinging)

Having the capacity to sting.
stinging nettles
(figuratively) Precise and hurtful
- 2017 September 27, David Browne, "Hugh Hefner, 'Playboy' Founder, Dead at 91," Rolling Stone
  That same year, a young Gloria Steinem went undercover as a Playboy Bunny at one of his Playboy Clubs and wrote a stinging inside critique of the magazine's ethos and chauvinism in an article, titled "A Bunny's Tale," which was published in Show magazine.

stinging

stinging (plural stingings)

The act by which someone receives a sting.
the stingings of scorpions
stingings of remorse

corroding

corroding (plural corrodings)

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