Blockading rhymes with:
cascading, kading, aiding, blading, braiding, cascading, crusading, degrading, downgrading, evading, fading, grading, invading, kading, lading, masquerading, nading, parading, persuading, pervading, raiding, serenading, shading, trading, upgrading, wading
Blockading sounds like:
blackstone's, blasting, blessedness, boyleston's, boylston's