The word "CAHS" can be tricky to spell as it uses the phonetic sound /kæz/. The IPA transcription for this word is /kæz/ which represents the hard "c" sound followed by the vowel "a" and the consonant "s". The correct spelling for this word is "cause" which means a reason for an action or event. Remembering the correct spelling of words may take some practice, but using phonetic transcriptions can help improve spelling accuracy.