smooth-spoken vs eloquent

smooth-spoken and eloquent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
smooth-spoken	No	Yes	No	No
eloquent	No	Yes	No	No

As adjectives, smooth-spoken and eloquent are synonyms defined as:

smooth-spoken and eloquent: expressing yourself readily, clearly, effectively

Other synonyms of smooth-spoken include facile, fluent, silver-tongued, silver.

smooth-spoken (adjective)	eloquent (adjective)
expressing yourself readily, clearly, effectively	expressing yourself readily, clearly, effectively