probing vs searching

probing and searching both are adjectives.

Word	Noun	Adjective	Verb	Adverb
probing	No	Yes	No	No
searching	No	Yes	No	No

As adjectives, probing and searching are synonyms defined as:

probing and searching: diligent and thorough in inquiry or investigation

Other synonyms of probing include inquisitory.

probing (adjective)	searching (adjective)
diligent and thorough in inquiry or investigation	exploring thoroughly
	diligent and thorough in inquiry or investigation
	having keenness and forcefulness and penetration in thought, expression, or intellect