• eight arms,
• dight arms,
• fight arms,
• tight arms,
• 5ight arms,
• 4ight arms,
• rught arms,
• rjght arms,
• rkght arms,
• roght arms,
• r9ght arms,
• r8ght arms,
• rifht arms,
• rivht arms,
• ribht arms,
• rihht arms,
• riyht arms,
• ritht arms,
• riggt arms,
• rigbt arms

The adjective form of "right arms" would be "right-armed".

The plural form of the word "right arm" is "right arms".

The plural of the "right arms" can be the "right arms".

The singular form of the word "right arms" is "right arm"

The singular of the "right arms" can be the "arm".