The difference between Hump and Humpback

When used as nouns, hump means a mound of earth, whereas humpback means a humped back.

Hump is also verb with the meaning: to bend something into a hump.

check bellow for the other definitions of Hump and Humpback

Hump as a noun:

A mound of earth.
Hump as a noun:

A deformity in humans caused by abnormal curvature of the upper spine.
Hump as a noun:

A rounded fleshy mass, such as on a camel or zebu.
Hump as a noun (slang):

An act of sexual intercourse.
Hump as a noun (British, slang, with definite article):

A bad mood.

Examples:

"get the hump, have the hump, take the hump, give someone the hump"
Hump as a noun (slang):

A painfully boorish person.

Examples:

"That guy is such a hump!"
Hump as a noun:

A speed hump.

Hump as a verb (transitive):

To bend something into a hump.
Hump as a verb (transitive, intransitive):

To carry (something), especially with some exertion.
Hump as a verb (transitive, intransitive):

To dry-hump.

Examples:

"Stop humping the table, you sicko."
Hump as a verb (transitive, intransitive):

To have sex (with).