arching vs arcuate

arching and arcuate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
arching	No	Yes	No	No
arcuate	No	Yes	No	No

As adjectives, arching and arcuate are synonyms defined as:

Other synonyms of arching include arced, arched, arciform, bowed.

arching (adjective)	arcuate (adjective)
forming or resembling an arch	forming or resembling an arch