• optimas prime,
• optemus prime,
• opitmus prime,
• optmus prime,
• optimuss prime,
• optemis prime,
• optinmus prime,
• optimas pryme,
• optemus pryme,
• optimus prime

The adjective form of the name "Optimus Prime" would be "Optimus Primian" or "Optimus Primianic". However, it should be noted that this is not a commonly used adjective in the English language, as "Optimus Prime" is primarily known as a character in the Transformers franchise.