That is the correct spelling of the plural noun "days."
The word "weak" means not strong, or poor (as in ability). The homophone "week" is a period of seven days. The letters in weak can also spell the word wake, which has several meanings as a noun and verb.
Here the word spell does not mean spelling, or to cast a wizard's spell, although it may have derived from the same words. A "spell" is just an unspecified period of time, and a "sunny spell" would indicate several days of good weather, rather than having a "rainy spell".
Olden days
the hardest word to spell is: perpondickulor
The correct spelling is chestnuts.Some people enjoy eating roasted chestnuts on cold days in winter.
The Spanish word for "spell" (as in letters in a word) is "deletrear" Which translated lyerally means to separate the letters. The word for "spell" (as in time) is "temporada". The word for "spell" (as in hex) is "encanto".
The letters spell the word casino.
The letters spell the word "freelance."
The letters spell the word geometrical.
What word does these notes on the staff spell?
The letters APTRUSIS spell the word "upstairs."
Those letters will spell the word vinegar.