Synonyms of 'because'
usage noteThe phrase on account of can provide a useful alternative to because of in writing. It occurs relatively infrequently in spoken language, where it is sometimes followed by a clause, as in on account of I don't do drugs. However, this use is considered nonstandard.
Copyright © 2016 by HarperCollins Publishers. All rights reserved.
Thesaurus for because from the Collins English Thesaurus
You use because when stating the reason for something.