opt out vs cop out

opt out and cop out both are verbs.

Word	Noun	Adjective	Verb	Adverb
opt out	No	No	Yes	No
cop out	No	No	Yes	No

As verbs, opt out and cop out are synonyms defined as:

opt out and cop out: choose not to do something, as out of fear of failing

opt out (verb)	cop out (verb)
choose not to do something, as out of fear of failing	choose not to do something, as out of fear of failing