launchpad vs launch pad

launchpad and launch pad both are nouns.

Word	Noun	Adjective	Verb	Adverb
launchpad	Yes	No	No	No
launch pad	Yes	No	No	No

As nouns, launchpad and launch pad are synonyms defined as:

launchpad and launch pad: a platform from which rockets or space craft are launched

Other synonyms of launchpad include launch area, launching pad, pad.

launchpad (noun)	launch pad (noun)
a platform from which rockets or space craft are launched	a platform from which rockets or space craft are launched