oaf vs lubber

oaf and lubber both are nouns.

Word	Noun	Adjective	Verb	Adverb
oaf	Yes	No	No	No
lubber	Yes	No	No	No

As nouns, oaf and lubber are synonyms defined as:

Other synonyms of oaf include clod, gawk, goon, lout, lummox, lump, stumblebum.

oaf (noun)	lubber (noun)
an awkward stupid person	an awkward stupid person
	an inexperienced sailor; a sailor on the first voyage