Directions: Select the word with the correct spelling from the options given below.

The correct answer is Maintenance.

Explanation:
Let's analyze the spelling, structure, and meaning of the word:

1. Correct Spelling: Maintenance
2. Meaning: The process of preserving, maintaining, or keeping someone or something in good condition or state of repair.
3. Word Structure & Common Pitfall: Although the root verb is "maintain", when forming the noun, the middle syllable changes from "-tain-" to "-ten-", and it takes the noun suffix "-ance" (forming main-ten-ance).

Breakdown of the Given Options:
• Maintenence: Incorrect (uses the wrong suffix "-ence").
• Maintainence: Incorrect (retains "-tain-" and uses the wrong suffix "-ence").
• Maintenance: Correct spelling.
• Maintainance: Incorrect (retains "-tain-").