There are 25 6-letter words that end with 'sis'.
| cassis | crisis | cyesis | diesis | crasis |
| ecesis | emesis | gnosis | enosis | lassis |
| miosis | missis | myasis | myosis | noesis |
| physis | phasis | sepsis | pyosis | ptosis |
| stasis | thesis | tmesis | tussis | whosis |
Note: These 25 6-letter words that end with 'sis' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with osis, esis, asis, ysis, psis, isis, ssis, rsis, usis, lsis, nsis, tsis.
4-letter words end with 'sis' (1)