1. Yes, I agree with the way the three lists are graded. I include:
Beginners Intermediate Advanced
-living room -lounge -lavatory
-flowers -attic -path
-fireplace -orchard -dustbin
- door bell -drain -lawn
-flowerpot -drive -cellar
2. I travel to Riverside California, 18 years ago, I lived there 2 years. Most people speak English, then by necessity I had to learn the basic and frequent vocabulary as: greetings, ask for help and order food. Many words I have forgotten them for lack of practice.