counselor-at-law vs pleader

counselor-at-law and pleader both are nouns.

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

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

Other synonyms of counselor-at-law include advocate, counsel, counsellor, counselor.

counselor-at-law (noun)	pleader (noun)
a lawyer who pleads cases in court	a lawyer who pleads cases in court