Precession rhymes with:
accession, concession, intercession, obsession, procession, recession, retrocession, secession, session, succession
Precession sounds like:
paragon, paraguayan, parchman, parisian, parisienne, parkin, parkison, parkman, parsimony, parson, pearson, peerson, pehrson, peirson, peragine, percussion, pergamon, perignon, perkin, perricone, persian, person, persona, personae, persson, persuasion, persyn, perugina, perugini, perzigian, pharisaism, pherson, phrygian, pieraccini, pierson, powergen, precision, prejean, pressman, presson, presume, prezzano, prism, prison, prizm, procaccini, procaine, procassini, procession, prochnow, progeny, prussian, purgason, pyroxene