It is a useful, small (4206 entries), common spellcheck corrections dictionary used for benchmarking aspell (and testing [org.apache.commons.codec.language.DoubleMetaphone](https://github.com/apache/commons-codec/blob/master/src/test/java/org/apache/commons/codec/language/DoubleMetaphoneTest.java)): https://github.com/GNUAspell/bench/blob/master/common-all/batch0.tab