Chapter 10 - Structure and Synthesis of Alcohols - Study Problems - Page 462: 10-35 b

$ cyclohexanethiol$ is more acidic than $cyclohexanol$

$ cyclohexanethiol$ is more acidic than $cyclohexanol$ because sulphur is below oxygen on the periodic table, and acidity increases going down the periodic table due to more stable anions (conjugate base).