• merg,
• energ,
• erge,
• nergy,
• ery,
• ergde,
• iery,
• earge,
• eagl,
• nergo,
• edg,
• erm,
• eri,
• eng,
• erea,
• lrg,
• org,
• eirc,
• eurge,
• erdge

• Erick,
• Ere,
• erazo,
• erse,
• eros,
• eruca,
• era,
• Erich,
• ergo,
• Erika,
• erose,
• -er,
• erase,
• erica,
• eris,
• eng.,
• egg,
• Erik,
• Eric.

The adjective form of the word "erg" is "ergonomic".

The plural of the "erg" can be the "ergs".

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