pre-emptive vs preemptive

pre-emptive and preemptive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pre-emptive	No	Yes	No	No
preemptive	No	Yes	No	No

As adjectives, pre-emptive and preemptive are synonyms defined as:

pre-emptive and preemptive: designed or having the power to deter or prevent an anticipated situation or occurrence

pre-emptive (adjective)	preemptive (adjective)
designed or having the power to deter or prevent an anticipated situation or occurrence	designed or having the power to deter or prevent an anticipated situation or occurrence