There are 14 words that start with 'simi'.
| simian | simile | simians |
| similar | similes | simioid |
| simious | simitar | simitars |
| similarly | similarity | similitude |
| similitudes | similarities | |
Note: These 14 words that start with 'simi' are found from the USA & Canada version of the tournament Scrabble word list.