• ynsurely,
• hnsurely,
• jnsurely,
• insurely,
• 8nsurely,
• 7nsurely,
• ubsurely,
• umsurely,
• ujsurely,
• uhsurely,
• unaurely,
• unzurely,
• unxurely,
• undurely,
• uneurely,
• unwurely,
• unsyrely,
• unshrely,
• unsjrely,
• unsirely

• ensure,
• endure,
• purely,
• securely,
• unusually,
• surely,
• immaturely,
• poorly,
• obscurely.

The adjective form of the word "unsurely" is "unsure".

The plural form of "unsurely" would be "unsurelies." However, it is worth noting that "unsurely" is not a commonly used word, and the plural may not be frequently used or recognized.

The singular form of the word "unsurely" does not exist because "unsurely" is already in singular form. It is an adverb that describes someone's uncertainty or lack of confidence.