toastmaster vs symposiarch

toastmaster and symposiarch both are nouns.

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

As nouns, toastmaster and symposiarch are synonyms defined as:

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

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