Clue: It helps fill a lot

Answer: AUTO

Length: 4

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Similar Clues:

• Item missing in this puzzle's theme that's absent as well in the fill and clues (FIFTEENTHLETTER with 15 letters)
• Anti-itch lotion (CALAMINE with 8 letters)
• Rare item in auction lots (ANTIQUE with 7 letters)
• Helps in illegal acts (ABETS with 5 letters)
• It helps a culture advance (AGAR with 4 letters)
• It helps you watch your balance: Abbr. (ATM with 3 letters)
• Fill-in-the-amount document (BLANKCHECK with 10 letters)
• Ashtray fill (BUTTS with 5 letters)
• One who helps avoid audits (Abbr.) (CPA with 3 letters)
• Almanac fill (e.g. DATA with 4 letters)