counselor vs counselor-at-law

counselor and counselor-at-law both are nouns.

Word	Noun	Adjective	Verb	Adverb
counselor	Yes	No	No	No
counselor-at-law	Yes	No	No	No

As nouns, counselor and counselor-at-law are synonyms defined as:

Other synonyms of counselor include advocate, counsel, counsellor, pleader.

counselor (noun)	counselor-at-law (noun)
a lawyer who pleads cases in court	a lawyer who pleads cases in court
someone who gives advice about problems
someone who has supervisory duties at a summer camp