crookbacked vs humpbacked

crookbacked and humpbacked both are adjectives.

Word	Noun	Adjective	Verb	Adverb
crookbacked	No	Yes	No	No
humpbacked	No	Yes	No	No

As adjectives, crookbacked and humpbacked are synonyms defined as:

crookbacked and humpbacked: characteristic of or suffering from kyphosis, an abnormality of the vertebral column

Other synonyms of crookbacked include crookback, gibbous, humped, hunchbacked, kyphotic.

crookbacked (adjective)	humpbacked (adjective)
characteristic of or suffering from kyphosis, an abnormality of the vertebral column	characteristic of or suffering from kyphosis, an abnormality of the vertebral column