Clustral or Claustral: How To spell?

The word Clustral is misspelled against Claustral, an adjective meaning "Cloistral."

Word contains consecutive vowels 'AU' in between alphabets cl & stral is misspelled as 'U' as letter 'A' is phonetically ignore
Wrong Spelling: cl-u-stral
Correct Spelling: cl-au-stral
Check more misspelled words of Claustral to spell it correct.