commando vs ranger

commando and ranger both are nouns.

Word	Noun	Adjective	Verb	Adverb
commando	Yes	No	No	No
ranger	Yes	No	No	No

As nouns, commando and ranger are synonyms defined as:

commando and ranger: a member of a military unit trained as shock troops for hit-and-run raids

commando (noun)	ranger (noun)
an amphibious military unit trained for raids into enemy territory	an official who is responsible for managing and protecting an area of forest
a member of a military unit trained as shock troops for hit-and-run raids	a member of a military unit trained as shock troops for hit-and-run raids