There are 20 5-letter words that start with 'ski'.
| skids | skied | skier | skies | skiey | 
| skiff | skill | skimo | skimp | skims | 
| skink | skins | skint | skips | skirl | 
| skirr | skirt | skite | skits | skive | 
Note: These 20 5-letter words that start with 'ski' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with skin, skim, skir, skid, skit, skil, skip, skiv, skia, skif, skib, skie, skij, skii, skio, skis, skiw.
4-letter words start with 'ski' (6)