probe vs look into

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

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

As verbs, look into is a hypernym of probe; that is, look into is a word with a broader meaning than probe:

Other hypernyms of probe include investigate.

probe (noun)	look 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)	look into (verb)
question or examine thoroughly and closely	examine so as to determine accuracy, quality, or condition
examine physically with or as if with a probe	investigate scientifically