opalescent vs opaline

opalescent and opaline both are adjectives.

Word	Noun	Adjective	Verb	Adverb
opalescent	No	Yes	No	No
opaline	No	Yes	No	No

As adjectives, opalescent and opaline are synonyms defined as:

Other synonyms of opalescent include iridescent, nacreous, pearlescent.

opalescent (adjective)	opaline (adjective)
having a play of lustrous rainbow colors	having a play of lustrous rainbow colors