reappearance (n.)

• alternation
• beat
• doubling
• duplication
• echo
• imitation
• intermittence
• intermittency
• meter
• oscillation
• periodicity
• plagiarism
• pulsation
• quotation
• rebirth
• recurrence
• reduplication
• regurgitation
• reincarnation
• renewal
• repetition
• reproduction
• resumption
• return
• rhythm
• undulation