Pizzled vs Fizzled - What's the difference?

As an adjective pizzled

is (heraldry) having the penis in a different tincture than the rest of the body.

(fizzle).

(-)

(heraldry) Having the penis in a different tincture than the rest of the body.

On his shield was a lion rampant sable, pizzled azure.

(head)

(fizzle)

(fizzl)

To sputter or hiss.

''The soda fizzled for several minutes after it was poured.

* Ben Jonson

It is the easest thing, sir, to be done, / As plain as fizzling .

(figuratively) To decay or die off to nothing; to burn out; to end less successfully than previously hoped.

The entire project fizzled after the founder retired.

* fizzler

(en noun)

A spluttering or hissing sound.

Failure of a nuclear bomb to meet its expected yield during testing.