Here's what rhymes with upburst.
burst durst pursed first worst thirst cursed nursed versed dispersed immersed coerced disbursed reversed conversed rehearsed interspersed reimbursed Words that almost rhyme with upburst
observed served curved unearthed deserved swerved unnerved preserved reserved conserved undeserved unobserved unreserved burnt dirt jerked perched chert pert worked hurt shirt learnt searched lurked spurt advert cert curt girt lurched wort assert alert overt divert inert skirt avert dessert subvert flirt unhurt exert insert researched revert usurped invert reworked overworked reassert