Here’s a list of funny sounding words
Cattywampus
Definition – askew, awry, kitty-corner
Bumfuzzle
Definition – confuse; perplex; fluster
Gardyloo
Definition – used in Edinburgh as a warning cry when it was customary to throw slops from the windows into the streets
Taradiddle
Definition – 1: a fib 2 : pretentious nonsense
Billingsgate
Definition – coarsely abusive language
Snickersnee
Definition – 1. to engage in cut-and-thrust fighting with knives 2 : a large knife
Widdershins
Definition – in a left-handed or contrary direction; counterclockwise
Collywobbles
Definition – pain in the abdomen and especially in the stomach; a bellyache
Gubbins
Definition – fish parings or refuse
Diphthong
Definition – two vowel sounds joined in one syllable to form one speech sound, e.g. the sounds of “ou” in out and of “oy” in boy
Ill-willie
Definition – having an unfriendly disposition
Conjubilant
Definition – shouting together with joy
Merriam Webster