fuzz

1. A frizzy mass of hair or fibre. (countable, uncountable)
2. Quality of an image that is unclear; a blurred image. (countable, uncountable)
3. The random data used in fuzz testing. (countable, uncountable)
4. A distorted sound, especially from an electric guitar or other amplified instrument. (countable, uncountable)
5. A state of befuddlement. (countable, uncountable)
6. Fuzziness, vagueness. (countable, uncountable)

Plural fuzzes