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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Rust cause:

OXIDANT: It causes rust
OXIDANT: Rust cause
OXIDANT: Rust-causing agent
ERODENT: Causing rust.
DISUSE: Rust cause, perhaps
OXIDANTS: Rust-causing agents
OXIDE: Cause of rust
EROSIVE: Causing to rust