probe vs research

probe and research both are nouns.

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

As nouns, research is a hypernym of probe; that is, research is a word with a broader meaning than probe:

probe: an investigation conducted using a flexible surgical instrument to explore an injury or a body cavity
research: systematic investigation to establish facts

As nouns, research is a hypernym of probe; that is, research is a word with a broader meaning than probe:

Other hypernyms of probe include enquiry, inquiry.

probe (noun)	research (noun)
an exploratory action or expedition	systematic investigation to establish facts
an investigation conducted using a flexible surgical instrument to explore an injury or a body cavity	a search for knowledge
a flexible slender surgical instrument with a blunt end that is used to explore wounds or body cavities
an inquiry into unfamiliar or questionable activities

probe (verb)	research (verb)
question or examine thoroughly and closely	inquire into
examine physically with or as if with a probe	attempt to find out in a systematically and scientific manner