1) landmass : mainland , island, barrier reef
2) archipelago : group of reefs, group of islands , islets
3) peninsula : archipelago, small islands, group of reefs
4) continent : main island, main landmass, arctic circle
5) island : landmass that has body of water in the middle, land surrounded by body water,
continental shelf

choose and encircle the word that have the same mining
please help ​