Crabbed vs Tempestuous - What's the difference?

Crabbed is a related term of tempestuous.

is that crabbed is bad-tempered or cantankerous while tempestuous is of, or resembling a tempest; stormy, tumultuous.

is (crab).

(en adjective)

Bad-tempered or cantankerous.

Cramped, bent.

* 1800(?) Robert Southey, Winter

A wrinkled crabbed man they picture thee,

Old Winter, with a rugged beard as grey

As the long moss upon the apple-tree;

(of handwriting) Crowded together and difficult to read.

* crabbedly * crabbedness

(head)

(crab)

(en adjective)

Of, or resembling a tempest; stormy, tumultuous.

* (stormy) (l), (l), (l), (l)

* (l) * (l)