seaman vs tar

seaman and tar both are nouns.

Word	Noun	Adjective	Verb	Adverb
seaman	Yes	No	No	No
tar	Yes	No	Yes	No

As nouns, seaman and tar are synonyms defined as:

Other synonyms of seaman include gob, Jack-tar, Jack, mariner, old salt, sea dog, seafarer.

seaman (noun)	tar (noun)
a man who serves as a sailor	a man who serves as a sailor
	any of various dark heavy viscid substances obtained as a residue

seaman (verb)	tar (verb)
	coat with tar