• bitweed,
• mitweed,
• jitweed,
• hitweed,
• nutweed,
• njtweed,
• nktweed,
• notweed,
• n9tweed,
• n8tweed,
• nirweed,
• nifweed,
• nigweed,
• niyweed,
• ni6weed,
• ni5weed,
• nitqeed,
• nitaeed,
• nitseed,
• niteeed

• nitrate,
• knitwear,
• Whiteweed,
• nitride,
• nitrogen,
• needle,
• nitwit,
• tweed,
• sweetened,
• reed.

The plural form of the word "nitweed" is "nitweeds".

The singular form of the word "nitweed" is "nitweed". The word does not change form when referring to a single entity.