• proply,
• propal,
• -propel,
• oropyl,
• lropyl,
• -ropyl,
• 0ropyl,
• peopyl,
• pdopyl,
• pfopyl,
• ptopyl,
• p5opyl,
• prkopyl,
• proppyl,
• propil,
• propylee,
• Propyle,
• -promma,
• peripylyc,
• Propylie

• propellor,
• propylene,
• propel,
• propeller,
• pribyl,
• prophyll.

The adjective form of the word "propyl" is "propylic".

The plural of the "propyl" can be the "propyls".

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