The words deal, dele sound the same but have different meanings and spellings. Why do deal, dele sound the same even though they are completely different words?
The answer is simple: deal, dele are homophones of the English language.
To give out as a share or portion; apportion.
To distribute among several recipients. See Synonyms at distribute.
To sell: deal prescriptions; deal cocaine.
To administer; deliver: dealt him a blow to the stomach.
A sign indicating that something is to be removed from printed or written matter.
To remove, especially from printed or written matter; delete.
To mark with a sign indicating deletion.
Definitions from The American Heritage® Dictionary of the English Language, 4th Edition and Wordnik.
Homophones (literally "same sound") are usually defined as words that share the same pronunciation, regardless of how they are spelled.