• ynretained,
• hnretained,
• jnretained,
• inretained,
• 8nretained,
• 7nretained,
• ubretained,
• umretained,
• ujretained,
• uhretained,
• uneetained,
• undetained,
• unfetained,
• untetained,
• un5etained,
• un4etained,
• unrwtained,
• unrstained,
• unrdtained,
• unrrtained

• unexplained,
• unrestrained,
• unmaintained,
• unburdened,
• unadorned,
• unrepaired,
• Unreigned,
• unchained,
• untrained,
• unstained,
• unveined.

The adjective form of the word "unretained" is "unretained".

The plural form of "unretained" is "unretaineds." However, it is worth noting that "unretained" is not a commonly used word, so the need for a plural form may be rare.

The singular form of the word "unretained" is "unretained". The word does not change when used in either singular or plural form.