Whiplash rhymes with:
backlash, backslash, eyelash, ayyash, backlash, backslash, balderdash, barbash, cybercash, eyelash, fiveash, jordache, mishmash, monash, moustache, mustache, overcash, postcrash, potash, slapdash
Whiplash sounds like:
waffles, waples, weevils, whiplashes, whipple's, wyffels