bluestocking vs bas bleu

bluestocking and bas bleu both are nouns.

Word	Noun	Adjective	Verb	Adverb
bluestocking	Yes	No	No	No
bas bleu	Yes	No	No	No

As nouns, bluestocking and bas bleu are synonyms defined as:

bluestocking and bas bleu: a woman having literary or intellectual interests

bluestocking (noun)	bas bleu (noun)
a woman having literary or intellectual interests	a woman having literary or intellectual interests