There are 20 words that start with 'tank'.
| tank | tanka | tanks |
| tankas | tanked | tanker |
| tankage | tankard | tankers |
| tankful | tanking | tankini |
| tankages | tankards | tankfuls |
| tankinis | tankless | tanklike |
| tankship | tankships | |
Note: These 20 words that start with 'tank' are found from the USA & Canada version of the tournament Scrabble word list.