exploratory survey vs reconnoitring

exploratory survey and reconnoitring both are nouns.

Word	Noun	Adjective	Verb	Adverb
exploratory survey	Yes	No	No	No
reconnoitring	Yes	No	No	No

As nouns, exploratory survey and reconnoitring are synonyms defined as:

exploratory survey and reconnoitring: exploring in order to gain information

Other synonyms of exploratory survey include reconnoitering, scouting.

exploratory survey (noun)	reconnoitring (noun)
exploring in order to gain information	exploring in order to gain information