This is what benzodiazepines are[0] and they are not safer than alcohol[1][2]. Alcohol and benzodiazepines are cross-tolerant with each other[3].

[0] https://www.ncbi.nlm.nih.gov/pubmed/6147796

[1] https://www.ncbi.nlm.nih.gov/pubmed/19465812

[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4816010/

[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2712270/