The words bask, basque sound the same but have different meanings and spellings. Why do bask, basque sound the same even though they are completely different words?
The answer is simple: bask, basque are homophones of the English language.
To expose oneself to pleasant warmth.
To take great pleasure or satisfaction: "an opportunity to bask in the genteel applause of the faithful” ( Paul A. Witteman).
A woman's close-fitting bodice.
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.