preliminary /pri-limˈi-nə-ri or -in-ri/

1. Introductory
2. Preparatory
3. Preceding or preparing for the main matter

1. An introductory or preparatory measure, activity, statement, etc (often in pl)
2. A preliminary or entrance examination

• insomnias
• insomnious
• insomnolence
• insomnolences
• insomuch
• insooth
• in sort
• insouciance
• insouciances
• insouciant
• insouciantly
• insoul
• insouled
• insouling
• insoulment
• insoulments
• insouls
• in-source
• in-sourced
• in-sources
• in-sourcing
• in spades
• inspan
• inspanned
• inspanning