deh-KLAWD
* deh: like the "de" in "deck"
* KLAWD: like the "claw" in "claw"
Important Note: While "declawed" is the common pronunciation, some people might pronounce it with a more clipped "d" sound, like:
dih-KLAWD
Ultimately, the best way to pronounce it is to say it the way that sounds most natural to you.