sunstroke vs insolation

sunstroke and insolation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sunstroke	Yes	No	No	No
insolation	Yes	No	No	No

As nouns, sunstroke and insolation are synonyms defined as:

sunstroke and insolation: sudden prostration due to exposure to the sun or excessive heat

Other synonyms of sunstroke include siriasis, thermic fever.

sunstroke (noun)	insolation (noun)
sudden prostration due to exposure to the sun or excessive heat	therapeutic exposure to sunlight
	incident solar radiation
	sudden prostration due to exposure to the sun or excessive heat