Asc answered Saturday March 25 2006, 8:27 pm: I'm going to vote for 'heiwa.' Although, wahei is very similar; they're identical except that the order of the kanji is reversed, which is confusing to my little (non-japanese-speaking ;p) mind.
I also found that 和平プロセス 'wahei purosesu' means 'peace process,' which combined with the fact that it has a one-word definition makes me want to lean toward 'wahei,' but the first person to reply may very well have greater knowledge of the language. Kyuui can also mean 'peace, tranquility' but it has several hominyms with different kanji:
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