tally clerk vs tallyman

tally clerk and tallyman both are nouns.

Word	Noun	Adjective	Verb	Adverb
tally clerk	Yes	No	No	No
tallyman	Yes	No	No	No

As nouns, tally clerk and tallyman are synonyms defined as:

tally clerk and tallyman: one who keeps a tally of quantity or weight of goods produced or shipped or received

tally clerk (noun)	tallyman (noun)
one who keeps a tally of quantity or weight of goods produced or shipped or received	one who keeps a tally of quantity or weight of goods produced or shipped or received
	one who sells goods on the installment plan