paralegal vs paraprofessional

paralegal and paraprofessional both are nouns.

Word	Noun	Adjective	Verb	Adverb
paralegal	Yes	No	No	No
paraprofessional	Yes	No	No	No

As nouns, paraprofessional is a hypernym of paralegal; that is, paraprofessional is a word with a broader meaning than paralegal:

paralegal: a person with specialized training who assists lawyers
paraprofessional: a trained worker who is not a member of a profession but who assists a professional

paralegal (noun)	paraprofessional (noun)
a person with specialized training who assists lawyers	a trained worker who is not a member of a profession but who assists a professional