Cognition rhymes with:
ignition, misrecognition, preignition, recognition, admonition, ammunition, clinician, daffynition, definition, dimunition, ignition, misrecognition, munition, preignition, premonition, recognition, redefinition, technician
Cognition sounds like:
camden, canadian, canadienne, candyman, canteen, cantin, cantina, canton, cantone, centanni, centeno, centime, centum, chandon, chinatown, comden, comedian, comedienne, comedown, commendation, committeeman, commotion, commutation, condemn, condition, condom, condominium, condon, condone, connotation, contain, contini, contino, continue, continuum, cosentino, countdown