Here's what rhymes with daylength.
Words that almost rhyme with daylength
lens tenth sense hence dense thence whence fence tense tens cleanse gems hens pence pens dens gens glens fens hems defence defense immense offence offense stems theorems harems intense commence dispense incense pretense morphemes twopence expense suspense condemns condense halfpence recommence recompense sixpence commonsense frankincense length death health wealth breath depth breadth neath strength stealth twelfth shibboleth commonwealth