hotspot vs trouble spot

hotspot and trouble spot both are nouns.

Word	Noun	Adjective	Verb	Adverb
hotspot	Yes	No	No	No
trouble spot	Yes	No	No	No

As nouns, hotspot and trouble spot are synonyms defined as:

hotspot and trouble spot: a place of political unrest and potential violence

Other synonyms of hotspot include flashpoint, hot spot.

hotspot (noun)	trouble spot (noun)
a lively entertainment spot	a place of political unrest and potential violence
a point of relatively intense heat or radiation	a place where trouble exists or occurs regularly
a place of political unrest and potential violence