butler vs pantryman

butler and pantryman both are nouns.

Word	Noun	Adjective	Verb	Adverb
butler	Yes	No	No	No
pantryman	Yes	No	No	No

As nouns, butler and pantryman are synonyms defined as:

butler and pantryman: a manservant (usually the head servant of a household) who has charge of wines and the table

butler (noun)	pantryman (noun)
a manservant (usually the head servant of a household) who has charge of wines and the table	a manservant (usually the head servant of a household) who has charge of wines and the table