There is a big different between the word ‘whose’ and ‘who’s’. Usually, people do not understand the difference between the two and often end up confusing the both in written form as they sound exactly the same when spoken.
The word who’s is a contraction that links up the word who is or who has. It is usually used in a question such as ‘who’s got the ball’? Whose on the other hand is a possessive form of the word who. They both sound the same however their usage in grammar is totally different and hence they should not be confused.
Who'sis a contraction linking the wordswhois orwhohas, and whoseis the possessive form ofwho. They may sound the same, but spelling them correctly can be tricky.