Here's what rhymes with obstruetive.
attributive constitutive Words that almost rhyme with obstruetive
brutish pubis brooches prudish rouges tuttis luges pooches scrooges stooges subterfuges centrifuges elusive abusive delusive obtrusive allusive illusive intrusive diffusive effusive occlusive collusive extrusive seclusive exclusive inclusive unobtrusive reclusive conclusive conducive inconclusive nonexclusive noninclusive