lawyer vs trial lawyer

lawyer and trial lawyer both are nouns.

Word	Noun	Adjective	Verb	Adverb
lawyer	Yes	No	No	No
trial lawyer	Yes	No	No	No

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

lawyer: a professional person authorized to practice law; conducts lawsuits or gives legal advice
trial lawyer: a lawyer who specializes in defending clients before a court of law

lawyer (noun)	trial lawyer (noun)
a professional person authorized to practice law; conducts lawsuits or gives legal advice	a lawyer who specializes in defending clients before a court of law