There are 13 words that start with 'bathy'.
| bathyal | bathymetry |
| bathyscaph | bathymetric |
| bathyscaphe | bathyscaphs |
| bathysphere | bathymetries |
| bathypelagic | bathyscaphes |
| bathyspheres | bathymetrical |
| bathymetrically | |
Note: These 13 words that start with 'bathy' are found from the USA & Canada version of the tournament Scrabble word list.