space vs absolute space

space and absolute space both are nouns.

Word	Noun	Adjective	Verb	Adverb
space	Yes	No	Yes	No
absolute space	Yes	No	No	No

As nouns, absolute space is a hyponym of space; that is, absolute space is a word with a more specific, narrower meaning than space:

Other hyponyms of space include phase space, mathematical space, topological space, outer space, space.

space (noun)	absolute space (noun)
the unlimited expanse in which everything is located	physical space independent of what occupies it
(printing) a block of type without a raised letter; used for spacing between words or sentences
a blank character used to separate successive words in writing or printing
a blank area
one of the areas between or below or above the lines of a musical staff
an area reserved for some particular purpose
any location outside the Earth's atmosphere
an empty area (usually bounded in some way between things)
the interval between two times

space (verb)	absolute space (verb)
place at intervals