invaginate /in-vajˈi-nāt/

1. To ensheath
2. To dent inwards, push or withdraw within, introvert

1. To be introverted
2. To form a hollow cavity by infolding

• itineration
• itinerations
• -itis
• it is all up
• it is all up with
• it is hoped
• it is said
• it'll
• it may be added
• ITN
• it never rains but it pours
• it pitieth
• it's
• its
• it's a free country
• it's a small world
• it says
• it says that
• it's early days
• it seems
• itself
• it's his call
• it's my funeral
• it stands to reason
• itsy-bitsy