hot spot vs flashpoint

hot spot and flashpoint both are nouns.

Word	Noun	Adjective	Verb	Adverb
hot spot	Yes	No	No	No
flashpoint	Yes	No	No	No

As nouns, hot spot and flashpoint are synonyms defined as:

hot spot and flashpoint: a place of political unrest and potential violence

Other synonyms of hot spot include hotspot, trouble spot.

hot spot (noun)	flashpoint (noun)
a lively entertainment spot	the lowest temperature at which the vapor of a combustible liquid can be ignited in air
a point of relatively intense heat or radiation	a place of political unrest and potential violence
a place of political unrest and potential violence	point at which something is ready to blow up