1. In possibility; in efficacy.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• potentionly,
• potentioally,
• potenailly,
• potetialy,
• portentially,
• potentaily,
• potentualy,
• potientially,
• poentially,
• protentially,
• potentaially,
• potentianl,
• potentiolly,
• potentianly,
• potenally,
• potentillay,
• potintially,
• potnetially,
• potetnially,
• potentialy

• potential unit,
• potentate,
• potential,
• potentiation,
• potentiometer,
• potentilla,
• potential drop,
• patently,
• potentiate,
• potently,
• potentiality.

The adjective form of the word "potentially" is "potential".

The plural form of the word "potentially" is also "potentially." It remains unchanged in both singular and plural usage.

The singular form of the word "potentially" is "potential"