The words handmade, handmaid sound the same but have different meanings and spellings. Why do handmade, handmaid sound the same even though they are completely different words?
The answer is simple: handmade, handmaid are homophones of the English language.
Made or prepared by hand rather than by machine.
A woman attendant or servant.
Something that accompanies or is attendant on another: "the traditional notion that government was the handmaiden of business” ( Doris Kearns Goodwin).
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.