What is the difference between "quizá" and "quizás"?

Question

What is the difference between "quizá" and "quizás", please?

Both of them are adverbs? Do they have nuance in usage?

Answer 1

We have several previous threads that cover it nicely.

[one such thread][1]

[1]: quizás or quizá

Thank you Qfreed; just as I thought "quizá = quizás" what could be easier. - Daniel, DIC 18, 2009

Thanks. What did the original responder mean by "indicative", please? - SlowFoxtrot, DIC 18, 2009