spring water vs ground water

spring water and ground water both are nouns.

Word	Noun	Adjective	Verb	Adverb
spring water	Yes	No	No	No
ground water	Yes	No	No	No

As nouns, spring water and ground water are synonyms defined as:

spring water and ground water: underground water that is held in the soil and in pervious rocks

Other synonyms of spring water include well water.

spring water (noun)	ground water (noun)
water from a spring	underground water that is held in the soil and in pervious rocks
underground water that is held in the soil and in pervious rocks