seafaring vs sailing

seafaring and sailing both are nouns.

Word	Noun	Adjective	Verb	Adverb
seafaring	Yes	Yes	No	No
sailing	Yes	No	No	No

As nouns, seafaring and sailing are synonyms defined as:

Other synonyms of seafaring include navigation.

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

Other hyponyms of seafaring include ocean trip, voyage, boating, yachting.

seafaring (noun)	sailing (noun)
the work of a sailor	riding in a sailboat
travel by water	the work of a sailor
	the departure of a vessel from a port
	the activity of flying a glider

seafaring (adjective)	sailing (adjective)
used on the high seas