| Word | Definitions | Synonyms |
|---|---|---|
| bathyscaphe | (noun) navigable deep diving vessel for underwater exploration | Synonyms: bathyscape, bathyscaph |
| raphe | (noun) a ridge that forms a seam between two parts | Synonyms: rhaphe |
| rhaphe | (noun) a ridge that forms a seam between two parts | Synonyms: raphe |