undoer vs destroyer

undoer and destroyer both are nouns.

Word	Noun	Adjective	Verb	Adverb
undoer	Yes	No	No	No
destroyer	Yes	No	No	No

As nouns, undoer and destroyer are synonyms defined as:

Other synonyms of undoer include ruiner, uprooter, waster.

undoer (noun)	destroyer (noun)
a person who destroys or ruins or lays waste to	a small fast lightly armored but heavily armed warship
a person who unfastens or unwraps or opens	a person who destroys or ruins or lays waste to
a seducer who ruins a woman