inspection (n.)

• accounting
• analysis
• application
• checkup
• computation
• contemplation
• coordination
• drill
• engrossment
• examination
• exercise
• grind
• grinding
• inquest
• inquiry
• inquisition
• investigation
• lucubration
• manipulation
• overhaul
• oversight
• overview
• perusal
• practice
• probe
• processing
• reading
• research
• review
• run-through
• scan
• scrutiny
• steering
• study
• studying
• subject
• supervision
• surveillance
• survey
• view
• visitation