flood lamp vs photoflood

flood lamp and photoflood both are nouns.

Word	Noun	Adjective	Verb	Adverb
flood lamp	Yes	No	No	No
photoflood	Yes	No	No	No

As nouns, flood lamp and photoflood are synonyms defined as:

flood lamp and photoflood: light that is a source of artificial illumination having a broad beam; used in photography

Other synonyms of flood lamp include flood, floodlight.

flood lamp (noun)	photoflood (noun)
light that is a source of artificial illumination having a broad beam; used in photography	light that is a source of artificial illumination having a broad beam; used in photography