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

• notum
• notungulate
• notungulates
• not unnaturally
• not up
• photogenic
• photogenies
• photogens
• photogeny
• photogeologies
• photogeology
• photoglyph
• photoglyphic
• photoglyphies
• photoglyphs
• photoglyphy
• photogram
• photogrammetric
• photogrammetrist
• photogrammetrists
• photogrammetry
• photograms
• photograph
• photographed
• photographer