Thioalcohol vs Mercaptan - What's the difference?

thioalcohol | mercaptan |

As nouns the difference between thioalcohol and mercaptan

is that thioalcohol is (organic chemistry) thiol, mercaptan while mercaptan is (chemistry) any of a class of organic compounds of sulphur, ( r1sr2 ); they tend to be foul-smelling when r2 is a hydrogen atom, they are termed thiols or thioalcohols.