Alcohols are also solvents but they have a different molecular structure to solvents such as acetone. A commonly used alcohol in the nail industry is IPA (isopropyl alcohol) This is the cleanser that removes the inhibition layer on UV cured coatings without disturbing the polymerised coating (that is removed by a solvent i.e. acetone)
Alcohols are also commonly used as a disinfectant or skin cleanser as some are deadly to viruses ad bacteria. The best nail cleanser used in the preparation of a natural nail plate is a combination of an alcohol plus a solvent as they will target different oils and moisture.
The alcohol in drinks is ethanol.