contraclockwise vs counterclockwise

contraclockwise and counterclockwise both are adjectives.

Word	Noun	Adjective	Verb	Adverb
contraclockwise	No	Yes	No	No
counterclockwise	No	Yes	No	Yes

As adjectives, contraclockwise and counterclockwise are synonyms defined as:

contraclockwise and counterclockwise: in the direction opposite to the rotation of the hands of a clock

Other synonyms of contraclockwise include anticlockwise.

contraclockwise (adjective)	counterclockwise (adjective)
in the direction opposite to the rotation of the hands of a clock	in the direction opposite to the rotation of the hands of a clock

contraclockwise (adverb)	counterclockwise (adverb)
	in a direction opposite to the direction in which the hands of a clock move