In my region, a medical evacuation by air ambulance is referred to as a "medevac" (also spelled medivac). Although this is a noun, in my observation it is more frequently used as a verb ("I'm going to have to medevac you," the doctor said.). I want to spell the past participle "medevaced" but this reads -- to me -- as though it should be pronounced medevassed (rhyming with 'vast') or even medevayssed (rhyming with 'waste') because there's an E after the C, making it soft.

With "old words" like the verb "to arc," there appears to be a solution. I have seen the past participle of "arc" spelled "arcked" (and the gerund "arcking") though both more commonly I have seen spelled without the K. Although this drives me crazy because "arced" looks like it should sound like "arssed," at least there is an established alternative, the addition of the K. But because "medevac" is a new word (according to Merriam-Webster the noun entered the language in 1966, and there still appears no agreement on how to spell it), and because "evacuation" does not have a K, I am reluctant to add the K that "arc" enjoys.

Is there a way around this problem?


Seems like both are in common use, with medevaced taking the lead. Maybe you can tip the scale! I personally like medevacked.

Medevacked Chart 1960-Present



I've seen forms of words like medivac'd on the internet before, but it seems like a localized, informal construct.


Since this is not yet a formally recognized verb, you could spell it medevac-ed or medivac-ed, with a hyphen. This is explained by this entry about hyphenating suffixes from Webster's New World Punctuation: Simplified and Applied (Dash and Hyphenation chapter):

Common suffixes include -ed, -tion, -ly, and many more. ... 6. Some suffixes that arise from slang or current trends are separated from the root word by a hyphen. The suffix -gate, a reference to the Watergate scandal, may appear in expressions such as Monica-gate. These words are coined by journalists and are seldom correct in formal English.

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