IPA: /ˈlændˌmæs/
KK: /ˈlændˌmæs/
A large area of land that is not divided or broken up.
Greenland is the largest landmass in the world.
Landmass → It is formed from "land" (from Old English *land*, meaning ground or soil) and "mass" (from Latin *massa*, meaning a lump or bulk). The word "landmass" refers to a large continuous area of land.
Think of 'land' as the ground and 'mass' as a large bulk — together, they describe a large area of land.
No commonly confused words.