inroad /inˈrōd/

1. An incursion into an enemy's country
2. A raid
3. Encroachment

make inroads into

1. To make progress with
2. To use up large quantities of

• open town
• open towns
• open university
• open up
• open verdict
• open-weave
• openwork
• openworks
• opepe
• opepes
• opera
• operability
• operable
• opera bouffe
• opera buffa
• opera cloak
• opera cloaks
• opera-dancer
• opera-dancers
• plaquette
• plaquettes
• plash
• plashed
• plashes
• plashet