preemptive vs pre-emptive

preemptive and pre-emptive both are adjectives.

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

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

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

preemptive (adjective)	pre-emptive (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