clerk vs settler

clerk and settler both are nouns.

Word	Noun	Adjective	Verb	Adverb
clerk	Yes	No	Yes	No
settler	Yes	No	No	No

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

clerk: an employee who performs clerical work (e.g., keeps records or accounts)
settler: a clerk in a betting shop who calculates the winnings

clerk (noun)	settler (noun)
an employee who performs clerical work (e.g., keeps records or accounts)	a person who settles in a new colony or moves into new country
a salesperson in a store	a clerk in a betting shop who calculates the winnings
	a negotiator who settles disputes

clerk (verb)	settler (verb)
work as a clerk, as in the legal business