Lip ___ (emulates Milli Vanilli)

• Aligns audio and video
• Matches, as audio tracks
• Connects, as software on two separate devices
• Sings together?
• Matches, as two tapes
• Aligns, temporally
• Gets together, informally
• Lip-__: mouths the words
• Matches, as files

Wiktionary Word definitions in Wiktionary
n. (plural of sync English) vb. (en-third-person singular of: sync )