smallholder vs sodbuster

smallholder and sodbuster both are nouns.

Word	Noun	Adjective	Verb	Adverb
smallholder	Yes	No	No	No
sodbuster	Yes	No	No	No

As nouns, sodbuster is a hypernym of smallholder; that is, sodbuster is a word with a broader meaning than smallholder:

Other hypernyms of smallholder include farmer, granger, husbandman.

smallholder (noun)	sodbuster (noun)
a person owning or renting a smallholding	a person who operates a farm