Crossword Puzzle Sounds unsound

Clue: Sounds unsound

Chase-scene sounds (SIRENS with 6 letters)
Bonfire sounds (CRACKLES with 8 letters)
Sounds omitted in transcription (ERS with 3 letters)
It sounds dull (THUD with 4 letters)
Actor roomies' mailbox label that sounds like racing groups? (PITTCRUISE with 10 letters)
Sounds from a red-coated visitor (HOHOS with 5 letters)
Faltering sounds (UMS with 3 letters)
Dairy sounds (MOOS with 4 letters)
Sounds from spas (AHS with 3 letters)
Punch-in-the-gut sounds (OOFS with 4 letters)