society vs bon ton

society and bon ton both are nouns.

Word	Noun	Adjective	Verb	Adverb
society	Yes	No	No	No
bon ton	Yes	No	No	No

As nouns, society and bon ton are synonyms defined as:

Other synonyms of society include beau monde, high society, smart set.

society (noun)	bon ton (noun)
an extended social group having a distinctive cultural and economic organization	the fashionable elite
a formal association of people with similar interests
the fashionable elite
the state of being with someone