savvy vs get onto

savvy is a noun but get onto is not a noun.

Word	Noun	Adjective	Verb	Adverb
savvy	Yes	No	Yes	No
get onto	No	No	Yes	No

As verbs, get onto is a hyponym of savvy; that is, get onto is a word with a more specific, narrower meaning than savvy:

Other hyponyms of savvy include figure, catch on, cotton on, get it, get wise, latch on, tumble, twig, intuit, digest.

savvy (noun)	get onto (noun)
the cognitive condition of someone who understands

savvy (verb)	get onto (verb)
get the meaning of something	understand, usually after some initial difficulty