1. 
   Letup
   Letup is American slang for an interim.
   Found op http://www.probertencyclopaedia.com/browse/ZL.HTM
   
   
2. 
   Letup
   Letup is American slang for an interim.
   Found op http://www.probertencyclopaedia.com/browse/ZL.HTM
   
   
3. 
   letup
   [n] - a pause during which things are calm or activities are diminished
   Found op http://www.webdictionary.co.uk/definition.php?query=letup
   
   
4. 
   letup
   lull noun a pause during which things are calm or activities are diminished; `there was never a letup in the noise`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=letup
   
   
5. 
   letup
   1) Abate 2) Abate as rainfall 3) Abate into a drizzle 4) Abate, as rain 5) Abate, as rainfall 6) Abatement 7) Back off 8) Break 9) Cease 10) Cessation 11) Diminish 12) Ease 13) Ease off 14) Ease off, as...
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/letup/1
   
   

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