heartland

As a letter s

is the letter s with a.

As a noun heartland is

the central part of a region defined by geographical or non-geographical criteria.

As nouns the difference between heartland and null

is that heartland is the central part of a region defined by geographical or non-geographical criteria while null is zero, nil; the cardinal number before einn.

As nouns the difference between heartland and motherland

is that heartland is the central part of a region defined by geographical or non-geographical criteria while motherland is the country of one's ancestors.

As nouns the difference between heartland and hinterland

is that heartland is the central part of a region defined by geographical or non-geographical criteria while hinterland is the land immediately next to, and inland from, a coast.

As nouns the difference between taxonomy and heartland

is that taxonomy is the science or the technique used to make a classification while heartland is the central part of a region defined by geographical or non-geographical criteria.

As a proper noun midland

is a town in maryland.

As an adjective midland

is from or pertaining to the midlands.

As a noun heartland is

the central part of a region defined by geographical or non-geographical criteria.