flashgun vs photoflash

flashgun and photoflash both are nouns.

Word	Noun	Adjective	Verb	Adverb
flashgun	Yes	No	No	No
photoflash	Yes	No	No	No

As nouns, flashgun and photoflash are synonyms defined as:

flashgun and photoflash: a lamp for providing momentary light to take a photograph

Other synonyms of flashgun include flash, flash bulb, flash lamp, flashbulb.

flashgun (noun)	photoflash (noun)
a lamp for providing momentary light to take a photograph	a lamp for providing momentary light to take a photograph