suboceanic vs subocean

suboceanic and subocean both are adjectives.

Word	Noun	Adjective	Verb	Adverb
suboceanic	No	Yes	No	No
subocean	No	Yes	No	No

As adjectives, suboceanic and subocean are synonyms defined as:

suboceanic and subocean: formed or situated or occurring beneath the ocean or the ocean bed

suboceanic (adjective)	subocean (adjective)
formed or situated or occurring beneath the ocean or the ocean bed	formed or situated or occurring beneath the ocean or the ocean bed