Compare thiol with other words:
thill vs. thiol
thiol vs. thirl
phenylthiol vs. thiol
thiol vs. thiophenol
compound vs. thiol
atom vs. thiol
hydrogen vs. thiol
sulphur vs. thiol
radical vs. thiol
organic vs. thiol
thiol vs. univalent
mercaptan vs. thiol
sulfur vs. thiol