The best replacement for release is debug.

The best alternatives to release are rated as following:
★★★★★  debug
★★★★  version
★★★★  extended release
★★★★  sustained release
★★  kill al di napoli
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★★  autorelease
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★★  dealloc
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★  press release
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★  wrist release
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★  nightly
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★  rolfing
★  nil
★  build
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Your alternative for release is not listed? Suggest!
Speaking about release, one probably shouldn't forget about recurve bow.

Other search terms related to release and their ratings are:
★★★★★ recurve bow
★★★★ bill of lading
★★ consent
★ john barnes
You have in mind a companion for release and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of release in all years. Click on graph for more.
release
debug
version