For those who commonly misspell "curfew" as "cerfew", here are some helpful suggestions. The correct spelling is "C-U-R-F-E-W". To remember it easily, associate it with the phrase "Curb your eagerness with curfew". Alternatively, use mnemonic devices like "Curfew is an 'off'-switch for activities" or "Curfew puts an early 'c' on your night".
