Clue: Jets fill them

Answer: SPAS

Length: 4

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Similar Clues:

• Fill-in workers or this puzzle's theme (TEMPS with 5 letters)
• They fill the bill (and this puzzle's theme) (CENTS with 5 letters)
• They may be filled with jets (SPAS with 4 letters)
• Item missing in this puzzle's theme that's absent as well in the fill and clues (FIFTEENTHLETTER with 15 letters)
• Like some fillings (as in this puzzle's theme entries) (SWEET with 5 letters)
• Fill in the ___ (a hint to this puzzle's theme) (BLANK with 5 letters)
• "I'm freezing!" and a hint to this puzzle's theme (BRR with 3 letters)
• Pole-vault filler (ZLOTYS with 6 letters)
• Fill for a spare mattress (AIR with 3 letters)
• Laugh-filled Chinese port? (SHANGHAI with 8 letters)