There are 16 words that start with 'stair'.
| stair | stairs |
| stairway | staircase |
| stairhead | stairless |
| stairlike | stairstep |
| stairways | stairwell |
| staircases | stairheads |
| stairsteps | stairwells |
| stairstepped | stairstepping |
Note: These 16 words that start with 'stair' are found from the USA & Canada version of the tournament Scrabble word list.