forestalling vs obviation

forestalling and obviation both are nouns.

Word	Noun	Adjective	Verb	Adverb
forestalling	Yes	No	No	No
obviation	Yes	No	No	No

As nouns, forestalling and obviation are synonyms defined as:

forestalling and obviation: the act of preventing something by anticipating and disposing of it effectively

Other synonyms of forestalling include preclusion.

forestalling (noun)	obviation (noun)
the act of preventing something by anticipating and disposing of it effectively	the act of preventing something by anticipating and disposing of it effectively