• hydroxy,
• hydroxile,
• hudroxy,
• hydrosy,
• hydroyx,
• hydroxxy,
• gydroxyl,
• bydroxyl,
• nydroxyl,
• jydroxyl,
• uydroxyl,
• hydoxyl,
• hydorxyl,
• hydroxyll,
• hudromellonic,
• hydropcal,
• Hydrocalt,
• Nytroxyl,
• thyrohyl,
• hydoxytryptophol

• Hydrozoa,
• hydrocele,
• hydroxy,
• hydrogen,
• hydrogel,
• hydroxyzine,
• hydrous,
• hydroxide.

The adjective form of the word "hydroxyl" is "hydroxylic".

The plural of the "hydroxyl" can be the "hydroxyls".

The singular of the "hydroxyl" can be the "hydroxyl".