symposiarch vs toastmaster

symposiarch and toastmaster both are nouns.

Word	Noun	Adjective	Verb	Adverb
symposiarch	Yes	No	No	No
toastmaster	Yes	No	No	No

As nouns, symposiarch and toastmaster are synonyms defined as:

symposiarch and toastmaster: the person who proposes toasts and introduces speakers at a banquet

symposiarch (noun)	toastmaster (noun)
the person who proposes toasts and introduces speakers at a banquet	the person who proposes toasts and introduces speakers at a banquet