1. A narcotic plant, a native of America, the leaves of which are used for smoking and chewing and in snuff.

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

• tobaccoo,
• tacco,
• tovbacco,
• tabaco,
• tabocco,
• tobocco,
• tobaccol,
• tovacco,
• toback,
• tobbacco,
• tobaco,
• tabacco,
• tobacoo,
• tobbaco,
• tobacko,
• tobasco,
• tabbacco,
• tababcco,
• tobacca,
• tobaccco

• topic,
• topaz,
• tobago.

The adjective form of the word "tobacco" is "tobacco-related".

The plural form of the word "tobacco" is "tobaccos"

The singular form of the word "tobacco" is "tobacco".