mismatched types error

lib.rs

pub mod table;

fn sanskrit_quickcheck(string: &str) -> bool {
    for r in &table::S_BASIC_RULES {
        if string.starts_swith(r) {     // rustc: no method named `starts_swith` found for type `&str` in the current scope
            return true;
        }
    }
    false
}

table_mod.rs

pub const S_BASIC_RULES: [&'static str; 25] =
    ["phyw", "ghr", "hra", "hwa", "tsy", "trw", "rdh", "sye", "n.y", "gh", "dh", "cy", "jh", "nn",
     "mm", "ww", "yy", "rr", "hy", "ty", "tv", "tw", "tz", "bh", "ss"];