jargon vs psychobabble

jargon and psychobabble both are nouns.

Word	Noun	Adjective	Verb	Adverb
jargon	Yes	No	No	No
psychobabble	Yes	No	No	No

As nouns, psychobabble is a hyponym of jargon; that is, psychobabble is a word with a more specific, narrower meaning than jargon:

jargon: specialized technical terminology characteristic of a particular subject
psychobabble: using language loaded with psychological terminology

Other hyponyms of jargon include doctorspeak, ecobabble, Eurobabble, gobbledygook, technobabble.

jargon (noun)	psychobabble (noun)
a characteristic language of a particular group (as among thieves)	using language loaded with psychological terminology
specialized technical terminology characteristic of a particular subject
a colorless (or pale yellow or smoky) variety of zircon