The words camara, camera sound the same but have different meanings and spellings. Why do camara, camera sound the same even though they are completely different words?
The answer is simple: camara, camera are homophones of the English language.
Chamber; house; -- used in Ca"ma*ra dos Pa"res (�), and Ca"ma*ra dos De`pu*ta"dos (�). See legislature.
An apparatus for taking photographs, generally consisting of a lightproof enclosure having an aperture with a shuttered lens through which the image of an object is focused and recorded on a photosensitive film, plate, or sensor.
The part of a television transmitting apparatus that receives the primary image on a light-sensitive cathode-ray tube and transforms it into electrical impulses.
Camera obscura.
A judge's private chamber.
Definitions from the GNU version of the Collaborative International Dictionary of English, 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.
If they are spelled the same then they are also homographs (and homonyms); if they are spelled differently then they are also heterographs (literally "different writing").