There are 18 10-letter words that start with 'sli'.
| slickeners | slickening | slickrocks |
| slicksters | slightness | slimeballs |
| slimnesses | slimpsiest | slingbacks |
| slingshots | slinkiness | slipcovers |
| slipformed | slipperier | slipsheets |
| slipstream | slithering | slivovices |
Note: These 18 10-letter words that start with 'sli' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with slip, slic, slim, slin, slit, slig, slid, sliv, slie, slil.
4-letter words start with 'sli' (4)