Here's what rhymes with crestward.
                        
                        
                    
                                westward  northwestward  southwestward  Words that almost rhyme with crestward
leftward  entered  lettered  pestered  festered  rendered  centered  sheltered  lectured  gestured  leopard  bettered  fettered  levered  mentored  headword  petard  vectored  hectored  measured  ventured  severed  shepherd  tempered  censured  tendered  treasured  weathered  censored  feathered  pressured  sequestered  textured  checkered  chequered  peppered  tethered  unlettered  tenured  pleasured  sweltered  remembered  surrendered  unfettered  remeasured  endeavoured  endeavored  engendered  conjectured  indentured  unmeasured  adventured  uncensored  unremembered  dismembered  transgendered