1. A prefix representing the Greek en, signifying in or on; the Latin in, signifying in or into; or the Saxon em, signifying to make, to surround, or to intensify the meaning.

2. A Greek prefix signifying well, easily, &c.

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

• ioen,
• ehrn,
• nn,
• ln,
• ez,
• ecn,
• evny,
• oepn,
• eng,
• eny,
• edn,
• evn,
• ey,
• ven,
• enzo,
• eevn,
• eacn,
• ek,
• enuf,
• eb

• men,
• ennui,
• yen,
• eng.,
• un-,
• un,
• -an,
• eon,
• N,
• end,
• den,
• ENO,
• rn,
• -er,
• an,
• on,
• ten,
• -ean,
• ene,
• hen,
• pen,
• e-,
• Ena,
• in-,
• ne,
• in,
• e.

The adjective form of the word "en" is "in".

The plural of the "en" can be the "ens".

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