research vs experiment

research and experiment both are nouns.

Word	Noun	Adjective	Verb	Adverb
research	Yes	No	Yes	No
experiment	Yes	No	Yes	No

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

research (noun)	experiment (noun)
systematic investigation to establish facts	the act of conducting a controlled test or investigation
a search for knowledge	a venture at something new or different
	the testing of an idea

research (verb)	experiment (verb)
inquire into	to conduct a test or investigation
attempt to find out in a systematically and scientific manner	try something new, as in order to gain experience