frustrate vs thwart

frustrate is not a noun while thwart is a noun.

Word	Noun	Adjective	Verb	Adverb
frustrate	No	No	Yes	No
thwart	Yes	No	Yes	No

As verbs, frustrate and thwart are synonyms defined as:

frustrate and thwart: hinder or prevent (the efforts, plans, or desires) of

Other synonyms of frustrate include baffle, bilk, cross, foil, queer, scotch, spoil.

frustrate (noun)	thwart (noun)
	a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat

frustrate (verb)	thwart (verb)
treat cruelly	hinder or prevent (the efforts, plans, or desires) of
hinder or prevent (the efforts, plans, or desires) of