Derdoing :: Derdoing (v. t.) Doing daring or chivalrous deeds.
Doing :: Doing (n.) Anything done; a deed; an action good or bad; hence, in the plural, conduct; behavior. See Do..
Indoin :: Indoin (n.) A substance resembling indigo blue, obtained artificially from certain isatogen compounds..
Misdoing :: Misdoing (n.) A wrong done; a fault or crime; an offense; as, it was my misdoing..
Undoing :: Undoing (n.) The reversal of what has been done.
Welldoing :: Welldoing (n.) A doing well; right performance of duties. Also used adjectively.