There are 11 words that end with 'gonia'.
| gonia | begonia |
| pogonia | oogonia |
| ascogonia | archegonia |
| carpogonia | hormogonia |
| sporogonia | spermagonia |
| spermatogonia | |
Note: These 11 words that end with 'gonia' are found from the USA & Canada version of the tournament Scrabble word list.