oldwife vs Bessy cerca

oldwife and Bessy cerca both are nouns.

Word	Noun	Adjective	Verb	Adverb
oldwife	Yes	No	No	No
Bessy cerca	Yes	No	No	No

As nouns, oldwife and Bessy cerca are synonyms defined as:

Other synonyms of oldwife include Balistes vetula, oldwench, queen triggerfish.

oldwife (noun)	Bessy cerca (noun)
tropical Atlantic fish	tropical Atlantic fish
a common long-tailed sea duck of the northern parts of the United States