orca vs sea wolf

orca and sea wolf both are nouns.

Word	Noun	Adjective	Verb	Adverb
orca	Yes	No	No	No
sea wolf	Yes	No	No	No

As nouns, orca and sea wolf are synonyms defined as:

orca and sea wolf: predatory black-and-white toothed whale with large dorsal fin; common in cold seas

Other synonyms of orca include grampus, killer, killer whale, Orcinus orca.

orca (noun)	sea wolf (noun)
predatory black-and-white toothed whale with large dorsal fin; common in cold seas	predatory black-and-white toothed whale with large dorsal fin; common in cold seas