subintroduce /sub-in-trō-dūsˈ/

To bring in surreptitiously or subtly

• provider
• providers
• rapid-fire
• rapidities
• rapidity
• rapidly
• rapidness
• rapidnesses
• rapids
• rapid-transit chess
• rapier
• rapiers
• rapine
• rapines
• raping
• rapist
• rapists
• raploch
• raplochs
• rap music
• rapparee
• rapparees
• rapped
• rappee
• rappees