Words That Rhyme With "Sleuthing" :
2 syllables:
frothing, goofing, hoofing, naething, nothing, Poussin, proofing, roofing, ruching, seething, smooching, smoothen, smoothing, soothing, spoofing, sprucing, toothing
3 syllables:
adducing, inducing, producing, reducing, seducing