Words that are funny in themselves

Tittynope

I heard this word recently and found myself a bit bumfuzzled.

Spagettification (what happens to an object when it nears a black hole)

Ankle burn

Strijder

It means warrior in Dutch, but it's pretty much the Dutch equivalent to "Absolute madman", and I easily burst into laughter upon hearing that word.

Pumpkin, penguin, pumpernickel, filigree