interfile /in-tər-fīlˈ/

1. To place among other items in a file
2. To combine in one file

• interne
• internecine
• internecive
• interned
• fire-shovels
• fireside
• firesides
• fire sign
• fire signs
• fire station
• fire stations
• fire-step
• fire-steps
• fire-stick
• fire-sticks
• firestone
• firestones
• fire-storm
• fire-storms
• firethorn
• firethorns
• fire trail
• fire trails
• firetrap
• firetraps