Here's what rhymes with oncurrent.
                        
                        
                    
                                current  currant  recurrent  concurrent  undercurrent  redcurrant  blackcurrant  Words that almost rhyme with oncurrent
servant  merchant  serpent  fervent  turret  verdant  curtest  circuit  purchased  worshipped  emergent  hermit  furthest  insurgent  firmest  surfeit  diarist  manservant  sherbet  conferment  tersest  pertest  divergent  conversant  deterrent  observant  adjournment  convergent  detergent  internment  deferment  innervate  resurgent  sternest  unobservant  colourist  determent  interpret  discernment  inadvertent  preferment  resurfaced  repurchased  absurdest  liturgist  nonobservant  reimbursement  disbursement  metallurgist  microcircuit  reinterpret  taxidermist  misinterpret  behaviourist