probe vs poke into

probe is a noun but poke into is not a noun.

Word	Noun	Adjective	Verb	Adverb
probe	Yes	No	Yes	No
poke into	No	No	Yes	No

As verbs, probe and poke into are synonyms defined as:

Other synonyms of probe include dig into.

probe (noun)	poke into (noun)
an exploratory action or expedition
an investigation conducted using a flexible surgical instrument to explore an injury or a body cavity
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)	poke into (verb)
question or examine thoroughly and closely	examine physically with or as if with a probe
examine physically with or as if with a probe	enter for a short period of time