quandary vs predicament

quandary and predicament both are nouns.

Word	Noun	Adjective	Verb	Adverb
quandary	Yes	No	No	No
predicament	Yes	No	No	No

As nouns, quandary and predicament are synonyms defined as:

quandary and predicament: a situation from which extrication is difficult especially an unpleasant or trying one

Other synonyms of quandary include plight.

quandary (noun)	predicament (noun)
state of uncertainty or perplexity especially as requiring a choice between equally unfavorable options	a situation from which extrication is difficult especially an unpleasant or trying one
a situation from which extrication is difficult especially an unpleasant or trying one