There are 12 words that start with 'simple'.
| simple | simpler |
| simples | simplex |
| simplest | simpleton |
| simplexes | simpleness |
| simpletons | simpleminded |
| simplenesses | simplemindedly |
Note: These 12 words that start with 'simple' are found from the USA & Canada version of the tournament Scrabble word list.