workman vs Luddite

workman and Luddite both are nouns.

Word	Noun	Adjective	Verb	Adverb
workman	Yes	No	No	No
Luddite	Yes	No	No	No

As nouns, Luddite is a hyponym of workman; that is, Luddite is a word with a more specific, narrower meaning than workman:

workman: an employee who performs manual or industrial labor
Luddite: one of the 19th century English workmen who destroyed laborsaving machinery that they thought would cause unemployment

workman (noun)	Luddite (noun)
an employee who performs manual or industrial labor	one of the 19th century English workmen who destroyed laborsaving machinery that they thought would cause unemployment
	any opponent of technological progress