insertion (n.)

• access
• admission
• apogee
• aside
• booking
• burn
• capsule
• docking
• enlistment
• enrollment
• entering
• entrance
• entree
• entry
• episode
• import
• importation
• importing
• income
• incoming
• indexing
• infiltration
• infix
• ingress
• injection
• inlay
• input
• inscription
• insert
• inset
• insinuation
• intake
• intercalation
• interjection
• interpenetration
• interpolation
• introduction
• intrusion
• inventorying
• leakage
• listing
• logging
• matriculation
• module
• orbit
• parenthesis
• penetration
• percolation
• perigee
• posting
• reception
• recording
• reentry
• register
• registration
• registry
• remark
• rocket
• seepage
• spacecraft
• spaceship
• tabulation
• tessera